Home / 18,278.56-27,417.76-4,427.52

Finding the Fourth Proportional to 18,278.56, 27,417.76 and 4,427.52

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Solution

The fourth proportional to 18,278.56, 27,417.76 and 4,427.52 is: 6,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.56 : 27,417.76 = 4,427.52 : x
  2. Step 2: Convert to fraction form
    18,278.56/27,417.76 = 4,427.52/x
  3. Step 3: Cross multiply
    18,278.56x = 27,417.76 × 4,427.52
  4. Step 4: Simplify right side
    18,278.56x = 121,392,680.76
  5. Step 5: Solve for x
    x = 121,392,680.76/18,278.56
  6. Step 6: Final answer
    x = 6,641.26

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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.