Home / 28,281.96-42,358.32-13,501.26

Finding the Fourth Proportional to 28,281.96, 42,358.32 and 13,501.26

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Solution

The fourth proportional to 28,281.96, 42,358.32 and 13,501.26 is: 20,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.96 : 42,358.32 = 13,501.26 : x
  2. Step 2: Convert to fraction form
    28,281.96/42,358.32 = 13,501.26/x
  3. Step 3: Cross multiply
    28,281.96x = 42,358.32 × 13,501.26
  4. Step 4: Simplify right side
    28,281.96x = 571,890,691.48
  5. Step 5: Solve for x
    x = 571,890,691.48/28,281.96
  6. Step 6: Final answer
    x = 20,221.04

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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.