Home / 24,947.78-34,427.89-13,769.78

Finding the Fourth Proportional to 24,947.78, 34,427.89 and 13,769.78

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Solution

The fourth proportional to 24,947.78, 34,427.89 and 13,769.78 is: 19,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,947.78 : 34,427.89 = 13,769.78 : x
  2. Step 2: Convert to fraction form
    24,947.78/34,427.89 = 13,769.78/x
  3. Step 3: Cross multiply
    24,947.78x = 34,427.89 × 13,769.78
  4. Step 4: Simplify right side
    24,947.78x = 474,064,471.16
  5. Step 5: Solve for x
    x = 474,064,471.16/24,947.78
  6. Step 6: Final answer
    x = 19,002.27

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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.