Home / 27,342.71-40,976.78-13,987.74

Finding the Fourth Proportional to 27,342.71, 40,976.78 and 13,987.74

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Solution

The fourth proportional to 27,342.71, 40,976.78 and 13,987.74 is: 20,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.71 : 40,976.78 = 13,987.74 : x
  2. Step 2: Convert to fraction form
    27,342.71/40,976.78 = 13,987.74/x
  3. Step 3: Cross multiply
    27,342.71x = 40,976.78 × 13,987.74
  4. Step 4: Simplify right side
    27,342.71x = 573,172,681.80
  5. Step 5: Solve for x
    x = 573,172,681.80/27,342.71
  6. Step 6: Final answer
    x = 20,962.54

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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.