Home / 25,777.39-38,675.28-15,905.17

Finding the Fourth Proportional to 25,777.39, 38,675.28 and 15,905.17

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Solution

The fourth proportional to 25,777.39, 38,675.28 and 15,905.17 is: 23,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.39 : 38,675.28 = 15,905.17 : x
  2. Step 2: Convert to fraction form
    25,777.39/38,675.28 = 15,905.17/x
  3. Step 3: Cross multiply
    25,777.39x = 38,675.28 × 15,905.17
  4. Step 4: Simplify right side
    25,777.39x = 615,136,903.20
  5. Step 5: Solve for x
    x = 615,136,903.20/25,777.39
  6. Step 6: Final answer
    x = 23,863.43

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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.