Home / 23,891.76-32,966.64-13,281.12

Finding the Fourth Proportional to 23,891.76, 32,966.64 and 13,281.12

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Solution

The fourth proportional to 23,891.76, 32,966.64 and 13,281.12 is: 18,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.76 : 32,966.64 = 13,281.12 : x
  2. Step 2: Convert to fraction form
    23,891.76/32,966.64 = 13,281.12/x
  3. Step 3: Cross multiply
    23,891.76x = 32,966.64 × 13,281.12
  4. Step 4: Simplify right side
    23,891.76x = 437,833,901.84
  5. Step 5: Solve for x
    x = 437,833,901.84/23,891.76
  6. Step 6: Final answer
    x = 18,325.73

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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.