Home / 27,232.28-40,823.79-18,916.20

Finding the Fourth Proportional to 27,232.28, 40,823.79 and 18,916.20

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Solution

The fourth proportional to 27,232.28, 40,823.79 and 18,916.20 is: 28,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,232.28 : 40,823.79 = 18,916.20 : x
  2. Step 2: Convert to fraction form
    27,232.28/40,823.79 = 18,916.20/x
  3. Step 3: Cross multiply
    27,232.28x = 40,823.79 × 18,916.20
  4. Step 4: Simplify right side
    27,232.28x = 772,230,976.40
  5. Step 5: Solve for x
    x = 772,230,976.40/27,232.28
  6. Step 6: Final answer
    x = 28,357.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.