Home / 25,518.14-38,281.17-13,031.41

Finding the Fourth Proportional to 25,518.14, 38,281.17 and 13,031.41

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Solution

The fourth proportional to 25,518.14, 38,281.17 and 13,031.41 is: 19,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.14 : 38,281.17 = 13,031.41 : x
  2. Step 2: Convert to fraction form
    25,518.14/38,281.17 = 13,031.41/x
  3. Step 3: Cross multiply
    25,518.14x = 38,281.17 × 13,031.41
  4. Step 4: Simplify right side
    25,518.14x = 498,857,621.55
  5. Step 5: Solve for x
    x = 498,857,621.55/25,518.14
  6. Step 6: Final answer
    x = 19,549.14

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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.