Home / 27,817.70-38,388.17-15,070.59

Finding the Fourth Proportional to 27,817.70, 38,388.17 and 15,070.59

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Solution

The fourth proportional to 27,817.70, 38,388.17 and 15,070.59 is: 20,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.70 : 38,388.17 = 15,070.59 : x
  2. Step 2: Convert to fraction form
    27,817.70/38,388.17 = 15,070.59/x
  3. Step 3: Cross multiply
    27,817.70x = 38,388.17 × 15,070.59
  4. Step 4: Simplify right side
    27,817.70x = 578,532,370.92
  5. Step 5: Solve for x
    x = 578,532,370.92/27,817.70
  6. Step 6: Final answer
    x = 20,797.28

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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.