Home / 25,476.24-38,225.16-12,338.40

Finding the Fourth Proportional to 25,476.24, 38,225.16 and 12,338.40

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Solution

The fourth proportional to 25,476.24, 38,225.16 and 12,338.40 is: 18,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.24 : 38,225.16 = 12,338.40 : x
  2. Step 2: Convert to fraction form
    25,476.24/38,225.16 = 12,338.40/x
  3. Step 3: Cross multiply
    25,476.24x = 38,225.16 × 12,338.40
  4. Step 4: Simplify right side
    25,476.24x = 471,637,314.14
  5. Step 5: Solve for x
    x = 471,637,314.14/25,476.24
  6. Step 6: Final answer
    x = 18,512.83

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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.