Home / 25,681.20-38,532.60-14,002.80

Finding the Fourth Proportional to 25,681.20, 38,532.60 and 14,002.80

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Solution

The fourth proportional to 25,681.20, 38,532.60 and 14,002.80 is: 21,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.20 : 38,532.60 = 14,002.80 : x
  2. Step 2: Convert to fraction form
    25,681.20/38,532.60 = 14,002.80/x
  3. Step 3: Cross multiply
    25,681.20x = 38,532.60 × 14,002.80
  4. Step 4: Simplify right side
    25,681.20x = 539,564,291.28
  5. Step 5: Solve for x
    x = 539,564,291.28/25,681.20
  6. Step 6: Final answer
    x = 21,010.09

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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.