Home / 29,190.48-40,268.88-28,058.82

Finding the Fourth Proportional to 29,190.48, 40,268.88 and 28,058.82

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Solution

The fourth proportional to 29,190.48, 40,268.88 and 28,058.82 is: 38,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.48 : 40,268.88 = 28,058.82 : x
  2. Step 2: Convert to fraction form
    29,190.48/40,268.88 = 28,058.82/x
  3. Step 3: Cross multiply
    29,190.48x = 40,268.88 × 28,058.82
  4. Step 4: Simplify right side
    29,190.48x = 1,129,897,255.52
  5. Step 5: Solve for x
    x = 1,129,897,255.52/29,190.48
  6. Step 6: Final answer
    x = 38,707.73

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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.