Home / 28,053.76-38,743-23,290.96

Finding the Fourth Proportional to 28,053.76, 38,743 and 23,290.96

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Solution

The fourth proportional to 28,053.76, 38,743 and 23,290.96 is: 32,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.76 : 38,743 = 23,290.96 : x
  2. Step 2: Convert to fraction form
    28,053.76/38,743 = 23,290.96/x
  3. Step 3: Cross multiply
    28,053.76x = 38,743 × 23,290.96
  4. Step 4: Simplify right side
    28,053.76x = 902,361,663.28
  5. Step 5: Solve for x
    x = 902,361,663.28/28,053.76
  6. Step 6: Final answer
    x = 32,165.44

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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.