Home / 25,972.32-38,950.38-8,438.52

Finding the Fourth Proportional to 25,972.32, 38,950.38 and 8,438.52

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Solution

The fourth proportional to 25,972.32, 38,950.38 and 8,438.52 is: 12,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.32 : 38,950.38 = 8,438.52 : x
  2. Step 2: Convert to fraction form
    25,972.32/38,950.38 = 8,438.52/x
  3. Step 3: Cross multiply
    25,972.32x = 38,950.38 × 8,438.52
  4. Step 4: Simplify right side
    25,972.32x = 328,683,560.64
  5. Step 5: Solve for x
    x = 328,683,560.64/25,972.32
  6. Step 6: Final answer
    x = 12,655.15

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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.