Home / 25,689.24-35,451.40-15,079.04

Finding the Fourth Proportional to 25,689.24, 35,451.40 and 15,079.04

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Solution

The fourth proportional to 25,689.24, 35,451.40 and 15,079.04 is: 20,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.24 : 35,451.40 = 15,079.04 : x
  2. Step 2: Convert to fraction form
    25,689.24/35,451.40 = 15,079.04/x
  3. Step 3: Cross multiply
    25,689.24x = 35,451.40 × 15,079.04
  4. Step 4: Simplify right side
    25,689.24x = 534,573,078.66
  5. Step 5: Solve for x
    x = 534,573,078.66/25,689.24
  6. Step 6: Final answer
    x = 20,809.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.