Home / 28,324.13-39,087.29-15,748.61

Finding the Fourth Proportional to 28,324.13, 39,087.29 and 15,748.61

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Solution

The fourth proportional to 28,324.13, 39,087.29 and 15,748.61 is: 21,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.13 : 39,087.29 = 15,748.61 : x
  2. Step 2: Convert to fraction form
    28,324.13/39,087.29 = 15,748.61/x
  3. Step 3: Cross multiply
    28,324.13x = 39,087.29 × 15,748.61
  4. Step 4: Simplify right side
    28,324.13x = 615,570,330.10
  5. Step 5: Solve for x
    x = 615,570,330.10/28,324.13
  6. Step 6: Final answer
    x = 21,733.07

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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.