Home / 25,700.32-35,451.96-15,087.88

Finding the Fourth Proportional to 25,700.32, 35,451.96 and 15,087.88

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Solution

The fourth proportional to 25,700.32, 35,451.96 and 15,087.88 is: 20,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.32 : 35,451.96 = 15,087.88 : x
  2. Step 2: Convert to fraction form
    25,700.32/35,451.96 = 15,087.88/x
  3. Step 3: Cross multiply
    25,700.32x = 35,451.96 × 15,087.88
  4. Step 4: Simplify right side
    25,700.32x = 534,894,918.24
  5. Step 5: Solve for x
    x = 534,894,918.24/25,700.32
  6. Step 6: Final answer
    x = 20,812.77

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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.