Home / 23,760.50-32,781.47-13,688.68

Finding the Fourth Proportional to 23,760.50, 32,781.47 and 13,688.68

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Solution

The fourth proportional to 23,760.50, 32,781.47 and 13,688.68 is: 18,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,760.50 : 32,781.47 = 13,688.68 : x
  2. Step 2: Convert to fraction form
    23,760.50/32,781.47 = 13,688.68/x
  3. Step 3: Cross multiply
    23,760.50x = 32,781.47 × 13,688.68
  4. Step 4: Simplify right side
    23,760.50x = 448,734,888.85
  5. Step 5: Solve for x
    x = 448,734,888.85/23,760.50
  6. Step 6: Final answer
    x = 18,885.75

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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.