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Finding the Fourth Proportional to 24,881.60, 34,337.04 and 13,703.60

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Solution

The fourth proportional to 24,881.60, 34,337.04 and 13,703.60 is: 18,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,881.60 : 34,337.04 = 13,703.60 : x
  2. Step 2: Convert to fraction form
    24,881.60/34,337.04 = 13,703.60/x
  3. Step 3: Cross multiply
    24,881.60x = 34,337.04 × 13,703.60
  4. Step 4: Simplify right side
    24,881.60x = 470,541,061.34
  5. Step 5: Solve for x
    x = 470,541,061.34/24,881.60
  6. Step 6: Final answer
    x = 18,911.21

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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.