Home / 25,690.32-38,557.36-10,118.88

Finding the Fourth Proportional to 25,690.32, 38,557.36 and 10,118.88

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Solution

The fourth proportional to 25,690.32, 38,557.36 and 10,118.88 is: 15,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.32 : 38,557.36 = 10,118.88 : x
  2. Step 2: Convert to fraction form
    25,690.32/38,557.36 = 10,118.88/x
  3. Step 3: Cross multiply
    25,690.32x = 38,557.36 × 10,118.88
  4. Step 4: Simplify right side
    25,690.32x = 390,157,298.96
  5. Step 5: Solve for x
    x = 390,157,298.96/25,690.32
  6. Step 6: Final answer
    x = 15,186.94

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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.