Home / 25,901.20-38,891.40-14,237.20

Finding the Fourth Proportional to 25,901.20, 38,891.40 and 14,237.20

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Solution

The fourth proportional to 25,901.20, 38,891.40 and 14,237.20 is: 21,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.20 : 38,891.40 = 14,237.20 : x
  2. Step 2: Convert to fraction form
    25,901.20/38,891.40 = 14,237.20/x
  3. Step 3: Cross multiply
    25,901.20x = 38,891.40 × 14,237.20
  4. Step 4: Simplify right side
    25,901.20x = 553,704,640.08
  5. Step 5: Solve for x
    x = 553,704,640.08/25,901.20
  6. Step 6: Final answer
    x = 21,377.57

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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.