Home / 27,824.47-38,397.50-15,077.36

Finding the Fourth Proportional to 27,824.47, 38,397.50 and 15,077.36

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Solution

The fourth proportional to 27,824.47, 38,397.50 and 15,077.36 is: 20,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.47 : 38,397.50 = 15,077.36 : x
  2. Step 2: Convert to fraction form
    27,824.47/38,397.50 = 15,077.36/x
  3. Step 3: Cross multiply
    27,824.47x = 38,397.50 × 15,077.36
  4. Step 4: Simplify right side
    27,824.47x = 578,932,855.21
  5. Step 5: Solve for x
    x = 578,932,855.21/27,824.47
  6. Step 6: Final answer
    x = 20,806.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.