Home / 38,278.56-52,826.17-21,284.54

Finding the Fourth Proportional to 38,278.56, 52,826.17 and 21,284.54

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Solution

The fourth proportional to 38,278.56, 52,826.17 and 21,284.54 is: 29,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.56 : 52,826.17 = 21,284.54 : x
  2. Step 2: Convert to fraction form
    38,278.56/52,826.17 = 21,284.54/x
  3. Step 3: Cross multiply
    38,278.56x = 52,826.17 × 21,284.54
  4. Step 4: Simplify right side
    38,278.56x = 1,124,380,728.41
  5. Step 5: Solve for x
    x = 1,124,380,728.41/38,278.56
  6. Step 6: Final answer
    x = 29,373.64

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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.