Home / 25,378.92-38,012.95-10,542.86

Finding the Fourth Proportional to 25,378.92, 38,012.95 and 10,542.86

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Solution

The fourth proportional to 25,378.92, 38,012.95 and 10,542.86 is: 15,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.92 : 38,012.95 = 10,542.86 : x
  2. Step 2: Convert to fraction form
    25,378.92/38,012.95 = 10,542.86/x
  3. Step 3: Cross multiply
    25,378.92x = 38,012.95 × 10,542.86
  4. Step 4: Simplify right side
    25,378.92x = 400,765,116.40
  5. Step 5: Solve for x
    x = 400,765,116.40/25,378.92
  6. Step 6: Final answer
    x = 15,791.26

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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.