Home / 27,903.48-42,047.18-23,081.64

Finding the Fourth Proportional to 27,903.48, 42,047.18 and 23,081.64

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Solution

The fourth proportional to 27,903.48, 42,047.18 and 23,081.64 is: 34,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.48 : 42,047.18 = 23,081.64 : x
  2. Step 2: Convert to fraction form
    27,903.48/42,047.18 = 23,081.64/x
  3. Step 3: Cross multiply
    27,903.48x = 42,047.18 × 23,081.64
  4. Step 4: Simplify right side
    27,903.48x = 970,517,871.78
  5. Step 5: Solve for x
    x = 970,517,871.78/27,903.48
  6. Step 6: Final answer
    x = 34,781.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.