Home / 38,947.36-58,378.92-15,548.08

Finding the Fourth Proportional to 38,947.36, 58,378.92 and 15,548.08

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Solution

The fourth proportional to 38,947.36, 58,378.92 and 15,548.08 is: 23,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.36 : 58,378.92 = 15,548.08 : x
  2. Step 2: Convert to fraction form
    38,947.36/58,378.92 = 15,548.08/x
  3. Step 3: Cross multiply
    38,947.36x = 58,378.92 × 15,548.08
  4. Step 4: Simplify right side
    38,947.36x = 907,680,118.47
  5. Step 5: Solve for x
    x = 907,680,118.47/38,947.36
  6. Step 6: Final answer
    x = 23,305.31

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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.