Home / 29,337.86-40,486.14-15,909.08

Finding the Fourth Proportional to 29,337.86, 40,486.14 and 15,909.08

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Solution

The fourth proportional to 29,337.86, 40,486.14 and 15,909.08 is: 21,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,337.86 : 40,486.14 = 15,909.08 : x
  2. Step 2: Convert to fraction form
    29,337.86/40,486.14 = 15,909.08/x
  3. Step 3: Cross multiply
    29,337.86x = 40,486.14 × 15,909.08
  4. Step 4: Simplify right side
    29,337.86x = 644,097,240.15
  5. Step 5: Solve for x
    x = 644,097,240.15/29,337.86
  6. Step 6: Final answer
    x = 21,954.47

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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.