Home / 53,013.44-79,470.72-17,928.68

Finding the Fourth Proportional to 53,013.44, 79,470.72 and 17,928.68

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Solution

The fourth proportional to 53,013.44, 79,470.72 and 17,928.68 is: 26,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.44 : 79,470.72 = 17,928.68 : x
  2. Step 2: Convert to fraction form
    53,013.44/79,470.72 = 17,928.68/x
  3. Step 3: Cross multiply
    53,013.44x = 79,470.72 × 17,928.68
  4. Step 4: Simplify right side
    53,013.44x = 1,424,805,108.25
  5. Step 5: Solve for x
    x = 1,424,805,108.25/53,013.44
  6. Step 6: Final answer
    x = 26,876.30

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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.