Home / 25,424.91-38,160.65-12,953.88

Finding the Fourth Proportional to 25,424.91, 38,160.65 and 12,953.88

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Solution

The fourth proportional to 25,424.91, 38,160.65 and 12,953.88 is: 19,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.91 : 38,160.65 = 12,953.88 : x
  2. Step 2: Convert to fraction form
    25,424.91/38,160.65 = 12,953.88/x
  3. Step 3: Cross multiply
    25,424.91x = 38,160.65 × 12,953.88
  4. Step 4: Simplify right side
    25,424.91x = 494,328,513.21
  5. Step 5: Solve for x
    x = 494,328,513.21/25,424.91
  6. Step 6: Final answer
    x = 19,442.68

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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.