Home / 17,660.64-26,354.40-15,697.20

Finding the Fourth Proportional to 17,660.64, 26,354.40 and 15,697.20

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Solution

The fourth proportional to 17,660.64, 26,354.40 and 15,697.20 is: 23,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.64 : 26,354.40 = 15,697.20 : x
  2. Step 2: Convert to fraction form
    17,660.64/26,354.40 = 15,697.20/x
  3. Step 3: Cross multiply
    17,660.64x = 26,354.40 × 15,697.20
  4. Step 4: Simplify right side
    17,660.64x = 413,690,287.68
  5. Step 5: Solve for x
    x = 413,690,287.68/17,660.64
  6. Step 6: Final answer
    x = 23,424.42

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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.