Home / 23,487.95-32,412.20-13,278.71

Finding the Fourth Proportional to 23,487.95, 32,412.20 and 13,278.71

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Solution

The fourth proportional to 23,487.95, 32,412.20 and 13,278.71 is: 18,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.95 : 32,412.20 = 13,278.71 : x
  2. Step 2: Convert to fraction form
    23,487.95/32,412.20 = 13,278.71/x
  3. Step 3: Cross multiply
    23,487.95x = 32,412.20 × 13,278.71
  4. Step 4: Simplify right side
    23,487.95x = 430,391,975.81
  5. Step 5: Solve for x
    x = 430,391,975.81/23,487.95
  6. Step 6: Final answer
    x = 18,323.95

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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.