Home / 27,178.20-37,507.52-15,242.20

Finding the Fourth Proportional to 27,178.20, 37,507.52 and 15,242.20

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Solution

The fourth proportional to 27,178.20, 37,507.52 and 15,242.20 is: 21,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.20 : 37,507.52 = 15,242.20 : x
  2. Step 2: Convert to fraction form
    27,178.20/37,507.52 = 15,242.20/x
  3. Step 3: Cross multiply
    27,178.20x = 37,507.52 × 15,242.20
  4. Step 4: Simplify right side
    27,178.20x = 571,697,065.68
  5. Step 5: Solve for x
    x = 571,697,065.68/27,178.20
  6. Step 6: Final answer
    x = 21,035.13

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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.