Home / 28,044.23-38,701.76-15,297.62

Finding the Fourth Proportional to 28,044.23, 38,701.76 and 15,297.62

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Solution

The fourth proportional to 28,044.23, 38,701.76 and 15,297.62 is: 21,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.23 : 38,701.76 = 15,297.62 : x
  2. Step 2: Convert to fraction form
    28,044.23/38,701.76 = 15,297.62/x
  3. Step 3: Cross multiply
    28,044.23x = 38,701.76 × 15,297.62
  4. Step 4: Simplify right side
    28,044.23x = 592,044,914.57
  5. Step 5: Solve for x
    x = 592,044,914.57/28,044.23
  6. Step 6: Final answer
    x = 21,111.12

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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.