Home / 27,178.56-37,505.28-15,242.88

Finding the Fourth Proportional to 27,178.56, 37,505.28 and 15,242.88

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Solution

The fourth proportional to 27,178.56, 37,505.28 and 15,242.88 is: 21,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.56 : 37,505.28 = 15,242.88 : x
  2. Step 2: Convert to fraction form
    27,178.56/37,505.28 = 15,242.88/x
  3. Step 3: Cross multiply
    27,178.56x = 37,505.28 × 15,242.88
  4. Step 4: Simplify right side
    27,178.56x = 571,688,482.41
  5. Step 5: Solve for x
    x = 571,688,482.41/27,178.56
  6. Step 6: Final answer
    x = 21,034.54

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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.