Home / 27,127.83-40,642.53-20,029.65

Finding the Fourth Proportional to 27,127.83, 40,642.53 and 20,029.65

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Solution

The fourth proportional to 27,127.83, 40,642.53 and 20,029.65 is: 30,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.83 : 40,642.53 = 20,029.65 : x
  2. Step 2: Convert to fraction form
    27,127.83/40,642.53 = 20,029.65/x
  3. Step 3: Cross multiply
    27,127.83x = 40,642.53 × 20,029.65
  4. Step 4: Simplify right side
    27,127.83x = 814,055,612.00
  5. Step 5: Solve for x
    x = 814,055,612.00/27,127.83
  6. Step 6: Final answer
    x = 30,008.14

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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.