Home / 27,763.77-38,314.31-15,188.25

Finding the Fourth Proportional to 27,763.77, 38,314.31 and 15,188.25

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Solution

The fourth proportional to 27,763.77, 38,314.31 and 15,188.25 is: 20,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.77 : 38,314.31 = 15,188.25 : x
  2. Step 2: Convert to fraction form
    27,763.77/38,314.31 = 15,188.25/x
  3. Step 3: Cross multiply
    27,763.77x = 38,314.31 × 15,188.25
  4. Step 4: Simplify right side
    27,763.77x = 581,927,242.92
  5. Step 5: Solve for x
    x = 581,927,242.92/27,763.77
  6. Step 6: Final answer
    x = 20,959.95

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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.