Home / 28,401.58-39,181.08-17,772.76

Finding the Fourth Proportional to 28,401.58, 39,181.08 and 17,772.76

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Solution

The fourth proportional to 28,401.58, 39,181.08 and 17,772.76 is: 24,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.58 : 39,181.08 = 17,772.76 : x
  2. Step 2: Convert to fraction form
    28,401.58/39,181.08 = 17,772.76/x
  3. Step 3: Cross multiply
    28,401.58x = 39,181.08 × 17,772.76
  4. Step 4: Simplify right side
    28,401.58x = 696,355,931.38
  5. Step 5: Solve for x
    x = 696,355,931.38/28,401.58
  6. Step 6: Final answer
    x = 24,518.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.