Home / 28,034.62-38,687.77-15,459.37

Finding the Fourth Proportional to 28,034.62, 38,687.77 and 15,459.37

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Solution

The fourth proportional to 28,034.62, 38,687.77 and 15,459.37 is: 21,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.62 : 38,687.77 = 15,459.37 : x
  2. Step 2: Convert to fraction form
    28,034.62/38,687.77 = 15,459.37/x
  3. Step 3: Cross multiply
    28,034.62x = 38,687.77 × 15,459.37
  4. Step 4: Simplify right side
    28,034.62x = 598,088,473.51
  5. Step 5: Solve for x
    x = 598,088,473.51/28,034.62
  6. Step 6: Final answer
    x = 21,333.93

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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.