Home / 28,534.96-42,778.12-11,017.12

Finding the Fourth Proportional to 28,534.96, 42,778.12 and 11,017.12

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Solution

The fourth proportional to 28,534.96, 42,778.12 and 11,017.12 is: 16,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.96 : 42,778.12 = 11,017.12 : x
  2. Step 2: Convert to fraction form
    28,534.96/42,778.12 = 11,017.12/x
  3. Step 3: Cross multiply
    28,534.96x = 42,778.12 × 11,017.12
  4. Step 4: Simplify right side
    28,534.96x = 471,291,681.41
  5. Step 5: Solve for x
    x = 471,291,681.41/28,534.96
  6. Step 6: Final answer
    x = 16,516.29

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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.