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Finding the Fourth Proportional to 29,260, 40,379.28 and 18,088.48

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Solution

The fourth proportional to 29,260, 40,379.28 and 18,088.48 is: 24,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260 : 40,379.28 = 18,088.48 : x
  2. Step 2: Convert to fraction form
    29,260/40,379.28 = 18,088.48/x
  3. Step 3: Cross multiply
    29,260x = 40,379.28 × 18,088.48
  4. Step 4: Simplify right side
    29,260x = 730,399,798.69
  5. Step 5: Solve for x
    x = 730,399,798.69/29,260
  6. Step 6: Final answer
    x = 24,962.40

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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.