Home / 15,425.34-23,002.56-15,285.02

Finding the Fourth Proportional to 15,425.34, 23,002.56 and 15,285.02

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Solution

The fourth proportional to 15,425.34, 23,002.56 and 15,285.02 is: 22,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.34 : 23,002.56 = 15,285.02 : x
  2. Step 2: Convert to fraction form
    15,425.34/23,002.56 = 15,285.02/x
  3. Step 3: Cross multiply
    15,425.34x = 23,002.56 × 15,285.02
  4. Step 4: Simplify right side
    15,425.34x = 351,594,474.64
  5. Step 5: Solve for x
    x = 351,594,474.64/15,425.34
  6. Step 6: Final answer
    x = 22,793.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.