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Finding the Fourth Proportional to 29,239, 40,349.76 and 16,492.14

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Solution

The fourth proportional to 29,239, 40,349.76 and 16,492.14 is: 22,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239 : 40,349.76 = 16,492.14 : x
  2. Step 2: Convert to fraction form
    29,239/40,349.76 = 16,492.14/x
  3. Step 3: Cross multiply
    29,239x = 40,349.76 × 16,492.14
  4. Step 4: Simplify right side
    29,239x = 665,453,808.43
  5. Step 5: Solve for x
    x = 665,453,808.43/29,239
  6. Step 6: Final answer
    x = 22,759.12

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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.