Home / 28,044.25-38,701.19-15,297.71

Finding the Fourth Proportional to 28,044.25, 38,701.19 and 15,297.71

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Solution

The fourth proportional to 28,044.25, 38,701.19 and 15,297.71 is: 21,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.25 : 38,701.19 = 15,297.71 : x
  2. Step 2: Convert to fraction form
    28,044.25/38,701.19 = 15,297.71/x
  3. Step 3: Cross multiply
    28,044.25x = 38,701.19 × 15,297.71
  4. Step 4: Simplify right side
    28,044.25x = 592,039,581.27
  5. Step 5: Solve for x
    x = 592,039,581.27/28,044.25
  6. Step 6: Final answer
    x = 21,110.91

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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.