Home / 28,644.30-42,966.45-25,631.10

Finding the Fourth Proportional to 28,644.30, 42,966.45 and 25,631.10

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Solution

The fourth proportional to 28,644.30, 42,966.45 and 25,631.10 is: 38,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.30 : 42,966.45 = 25,631.10 : x
  2. Step 2: Convert to fraction form
    28,644.30/42,966.45 = 25,631.10/x
  3. Step 3: Cross multiply
    28,644.30x = 42,966.45 × 25,631.10
  4. Step 4: Simplify right side
    28,644.30x = 1,101,277,376.60
  5. Step 5: Solve for x
    x = 1,101,277,376.60/28,644.30
  6. Step 6: Final answer
    x = 38,446.65

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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.