Home / 28,231.74-42,341.13-10,699.29

Finding the Fourth Proportional to 28,231.74, 42,341.13 and 10,699.29

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Solution

The fourth proportional to 28,231.74, 42,341.13 and 10,699.29 is: 16,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.74 : 42,341.13 = 10,699.29 : x
  2. Step 2: Convert to fraction form
    28,231.74/42,341.13 = 10,699.29/x
  3. Step 3: Cross multiply
    28,231.74x = 42,341.13 × 10,699.29
  4. Step 4: Simplify right side
    28,231.74x = 453,020,028.80
  5. Step 5: Solve for x
    x = 453,020,028.80/28,231.74
  6. Step 6: Final answer
    x = 16,046.48

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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.