Home / 27,763.71-38,314.23-15,017.15

Finding the Fourth Proportional to 27,763.71, 38,314.23 and 15,017.15

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Solution

The fourth proportional to 27,763.71, 38,314.23 and 15,017.15 is: 20,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.71 : 38,314.23 = 15,017.15 : x
  2. Step 2: Convert to fraction form
    27,763.71/38,314.23 = 15,017.15/x
  3. Step 3: Cross multiply
    27,763.71x = 38,314.23 × 15,017.15
  4. Step 4: Simplify right side
    27,763.71x = 575,370,539.04
  5. Step 5: Solve for x
    x = 575,370,539.04/27,763.71
  6. Step 6: Final answer
    x = 20,723.83

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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.