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Finding the Fourth Proportional to 29,897.28, 44,827.20 and 13,256.64

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Solution

The fourth proportional to 29,897.28, 44,827.20 and 13,256.64 is: 19,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,897.28 : 44,827.20 = 13,256.64 : x
  2. Step 2: Convert to fraction form
    29,897.28/44,827.20 = 13,256.64/x
  3. Step 3: Cross multiply
    29,897.28x = 44,827.20 × 13,256.64
  4. Step 4: Simplify right side
    29,897.28x = 594,258,052.61
  5. Step 5: Solve for x
    x = 594,258,052.61/29,897.28
  6. Step 6: Final answer
    x = 19,876.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.