Home / 27,591.06-38,079.68-15,492.90

Finding the Fourth Proportional to 27,591.06, 38,079.68 and 15,492.90

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Solution

The fourth proportional to 27,591.06, 38,079.68 and 15,492.90 is: 21,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.06 : 38,079.68 = 15,492.90 : x
  2. Step 2: Convert to fraction form
    27,591.06/38,079.68 = 15,492.90/x
  3. Step 3: Cross multiply
    27,591.06x = 38,079.68 × 15,492.90
  4. Step 4: Simplify right side
    27,591.06x = 589,964,596.81
  5. Step 5: Solve for x
    x = 589,964,596.81/27,591.06
  6. Step 6: Final answer
    x = 21,382.45

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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.