Home / 28,049.22-38,707.71-15,302.22

Finding the Fourth Proportional to 28,049.22, 38,707.71 and 15,302.22

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Solution

The fourth proportional to 28,049.22, 38,707.71 and 15,302.22 is: 21,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.22 : 38,707.71 = 15,302.22 : x
  2. Step 2: Convert to fraction form
    28,049.22/38,707.71 = 15,302.22/x
  3. Step 3: Cross multiply
    28,049.22x = 38,707.71 × 15,302.22
  4. Step 4: Simplify right side
    28,049.22x = 592,313,691.58
  5. Step 5: Solve for x
    x = 592,313,691.58/28,049.22
  6. Step 6: Final answer
    x = 21,116.94

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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.