Home / 28,058.92-42,079.50-9,334.84

Finding the Fourth Proportional to 28,058.92, 42,079.50 and 9,334.84

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Solution

The fourth proportional to 28,058.92, 42,079.50 and 9,334.84 is: 13,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.92 : 42,079.50 = 9,334.84 : x
  2. Step 2: Convert to fraction form
    28,058.92/42,079.50 = 9,334.84/x
  3. Step 3: Cross multiply
    28,058.92x = 42,079.50 × 9,334.84
  4. Step 4: Simplify right side
    28,058.92x = 392,805,399.78
  5. Step 5: Solve for x
    x = 392,805,399.78/28,058.92
  6. Step 6: Final answer
    x = 13,999.31

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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.