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Finding the Fourth Proportional to 29,482.74, 40,658.40 and 22,757.76

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Solution

The fourth proportional to 29,482.74, 40,658.40 and 22,757.76 is: 31,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.74 : 40,658.40 = 22,757.76 : x
  2. Step 2: Convert to fraction form
    29,482.74/40,658.40 = 22,757.76/x
  3. Step 3: Cross multiply
    29,482.74x = 40,658.40 × 22,757.76
  4. Step 4: Simplify right side
    29,482.74x = 925,294,109.18
  5. Step 5: Solve for x
    x = 925,294,109.18/29,482.74
  6. Step 6: Final answer
    x = 31,384.26

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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.