Home / 28,233.78-42,364.58-19,966.92

Finding the Fourth Proportional to 28,233.78, 42,364.58 and 19,966.92

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Solution

The fourth proportional to 28,233.78, 42,364.58 and 19,966.92 is: 29,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.78 : 42,364.58 = 19,966.92 : x
  2. Step 2: Convert to fraction form
    28,233.78/42,364.58 = 19,966.92/x
  3. Step 3: Cross multiply
    28,233.78x = 42,364.58 × 19,966.92
  4. Step 4: Simplify right side
    28,233.78x = 845,890,079.86
  5. Step 5: Solve for x
    x = 845,890,079.86/28,233.78
  6. Step 6: Final answer
    x = 29,960.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.