Home / 25,430.76-38,189.88-13,752.18

Finding the Fourth Proportional to 25,430.76, 38,189.88 and 13,752.18

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Solution

The fourth proportional to 25,430.76, 38,189.88 and 13,752.18 is: 20,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.76 : 38,189.88 = 13,752.18 : x
  2. Step 2: Convert to fraction form
    25,430.76/38,189.88 = 13,752.18/x
  3. Step 3: Cross multiply
    25,430.76x = 38,189.88 × 13,752.18
  4. Step 4: Simplify right side
    25,430.76x = 525,194,103.94
  5. Step 5: Solve for x
    x = 525,194,103.94/25,430.76
  6. Step 6: Final answer
    x = 20,651.92

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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.