Home / 28,332.48-42,507.97-13,542.55

Finding the Fourth Proportional to 28,332.48, 42,507.97 and 13,542.55

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Solution

The fourth proportional to 28,332.48, 42,507.97 and 13,542.55 is: 20,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.48 : 42,507.97 = 13,542.55 : x
  2. Step 2: Convert to fraction form
    28,332.48/42,507.97 = 13,542.55/x
  3. Step 3: Cross multiply
    28,332.48x = 42,507.97 × 13,542.55
  4. Step 4: Simplify right side
    28,332.48x = 575,666,309.12
  5. Step 5: Solve for x
    x = 575,666,309.12/28,332.48
  6. Step 6: Final answer
    x = 20,318.25

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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.