Home / 27,499.20-41,248.80-20,587.20

Finding the Fourth Proportional to 27,499.20, 41,248.80 and 20,587.20

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Solution

The fourth proportional to 27,499.20, 41,248.80 and 20,587.20 is: 30,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,499.20 : 41,248.80 = 20,587.20 : x
  2. Step 2: Convert to fraction form
    27,499.20/41,248.80 = 20,587.20/x
  3. Step 3: Cross multiply
    27,499.20x = 41,248.80 × 20,587.20
  4. Step 4: Simplify right side
    27,499.20x = 849,197,295.36
  5. Step 5: Solve for x
    x = 849,197,295.36/27,499.20
  6. Step 6: Final answer
    x = 30,880.80

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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.