Home / 29,313.60-40,452.51-15,884.47

Finding the Fourth Proportional to 29,313.60, 40,452.51 and 15,884.47

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Solution

The fourth proportional to 29,313.60, 40,452.51 and 15,884.47 is: 21,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.60 : 40,452.51 = 15,884.47 : x
  2. Step 2: Convert to fraction form
    29,313.60/40,452.51 = 15,884.47/x
  3. Step 3: Cross multiply
    29,313.60x = 40,452.51 × 15,884.47
  4. Step 4: Simplify right side
    29,313.60x = 642,566,681.52
  5. Step 5: Solve for x
    x = 642,566,681.52/29,313.60
  6. Step 6: Final answer
    x = 21,920.43

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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.