Home / 38,010.20-56,918.10-28,095.80

Finding the Fourth Proportional to 38,010.20, 56,918.10 and 28,095.80

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Solution

The fourth proportional to 38,010.20, 56,918.10 and 28,095.80 is: 42,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.20 : 56,918.10 = 28,095.80 : x
  2. Step 2: Convert to fraction form
    38,010.20/56,918.10 = 28,095.80/x
  3. Step 3: Cross multiply
    38,010.20x = 56,918.10 × 28,095.80
  4. Step 4: Simplify right side
    38,010.20x = 1,599,159,553.98
  5. Step 5: Solve for x
    x = 1,599,159,553.98/38,010.20
  6. Step 6: Final answer
    x = 42,071.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.