Home / 23,065.47-31,763.33-20,039.21

Finding the Fourth Proportional to 23,065.47, 31,763.33 and 20,039.21

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Solution

The fourth proportional to 23,065.47, 31,763.33 and 20,039.21 is: 27,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.47 : 31,763.33 = 20,039.21 : x
  2. Step 2: Convert to fraction form
    23,065.47/31,763.33 = 20,039.21/x
  3. Step 3: Cross multiply
    23,065.47x = 31,763.33 × 20,039.21
  4. Step 4: Simplify right side
    23,065.47x = 636,512,040.17
  5. Step 5: Solve for x
    x = 636,512,040.17/23,065.47
  6. Step 6: Final answer
    x = 27,595.88

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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.