Home / 28,445.76-42,673.60-9,727.67

Finding the Fourth Proportional to 28,445.76, 42,673.60 and 9,727.67

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Solution

The fourth proportional to 28,445.76, 42,673.60 and 9,727.67 is: 14,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.76 : 42,673.60 = 9,727.67 : x
  2. Step 2: Convert to fraction form
    28,445.76/42,673.60 = 9,727.67/x
  3. Step 3: Cross multiply
    28,445.76x = 42,673.60 × 9,727.67
  4. Step 4: Simplify right side
    28,445.76x = 415,114,698.51
  5. Step 5: Solve for x
    x = 415,114,698.51/28,445.76
  6. Step 6: Final answer
    x = 14,593.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.