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Finding the Fourth Proportional to 24,989.48, 34,484.54 and 13,658.88

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Solution

The fourth proportional to 24,989.48, 34,484.54 and 13,658.88 is: 18,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,989.48 : 34,484.54 = 13,658.88 : x
  2. Step 2: Convert to fraction form
    24,989.48/34,484.54 = 13,658.88/x
  3. Step 3: Cross multiply
    24,989.48x = 34,484.54 × 13,658.88
  4. Step 4: Simplify right side
    24,989.48x = 471,020,193.72
  5. Step 5: Solve for x
    x = 471,020,193.72/24,989.48
  6. Step 6: Final answer
    x = 18,848.74

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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.