Home / 17,521.16-26,247.69-15,557.72

Finding the Fourth Proportional to 17,521.16, 26,247.69 and 15,557.72

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Solution

The fourth proportional to 17,521.16, 26,247.69 and 15,557.72 is: 23,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.16 : 26,247.69 = 15,557.72 : x
  2. Step 2: Convert to fraction form
    17,521.16/26,247.69 = 15,557.72/x
  3. Step 3: Cross multiply
    17,521.16x = 26,247.69 × 15,557.72
  4. Step 4: Simplify right side
    17,521.16x = 408,354,080.43
  5. Step 5: Solve for x
    x = 408,354,080.43/17,521.16
  6. Step 6: Final answer
    x = 23,306.34

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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.