Home / 28,297.31-39,083.10-18,849.47

Finding the Fourth Proportional to 28,297.31, 39,083.10 and 18,849.47

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Solution

The fourth proportional to 28,297.31, 39,083.10 and 18,849.47 is: 26,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.31 : 39,083.10 = 18,849.47 : x
  2. Step 2: Convert to fraction form
    28,297.31/39,083.10 = 18,849.47/x
  3. Step 3: Cross multiply
    28,297.31x = 39,083.10 × 18,849.47
  4. Step 4: Simplify right side
    28,297.31x = 736,695,747.98
  5. Step 5: Solve for x
    x = 736,695,747.98/28,297.31
  6. Step 6: Final answer
    x = 26,034.12

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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.