Home / 28,561.06-39,429.18-17,809.18

Finding the Fourth Proportional to 28,561.06, 39,429.18 and 17,809.18

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Solution

The fourth proportional to 28,561.06, 39,429.18 and 17,809.18 is: 24,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.06 : 39,429.18 = 17,809.18 : x
  2. Step 2: Convert to fraction form
    28,561.06/39,429.18 = 17,809.18/x
  3. Step 3: Cross multiply
    28,561.06x = 39,429.18 × 17,809.18
  4. Step 4: Simplify right side
    28,561.06x = 702,201,363.87
  5. Step 5: Solve for x
    x = 702,201,363.87/28,561.06
  6. Step 6: Final answer
    x = 24,585.97

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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.