Home / 28,549.67-39,398.13-15,801.62

Finding the Fourth Proportional to 28,549.67, 39,398.13 and 15,801.62

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Solution

The fourth proportional to 28,549.67, 39,398.13 and 15,801.62 is: 21,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.67 : 39,398.13 = 15,801.62 : x
  2. Step 2: Convert to fraction form
    28,549.67/39,398.13 = 15,801.62/x
  3. Step 3: Cross multiply
    28,549.67x = 39,398.13 × 15,801.62
  4. Step 4: Simplify right side
    28,549.67x = 622,554,081.98
  5. Step 5: Solve for x
    x = 622,554,081.98/28,549.67
  6. Step 6: Final answer
    x = 21,806.00

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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.