Home / 28,040.16-42,073.20-27,288.48

Finding the Fourth Proportional to 28,040.16, 42,073.20 and 27,288.48

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Solution

The fourth proportional to 28,040.16, 42,073.20 and 27,288.48 is: 40,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.16 : 42,073.20 = 27,288.48 : x
  2. Step 2: Convert to fraction form
    28,040.16/42,073.20 = 27,288.48/x
  3. Step 3: Cross multiply
    28,040.16x = 42,073.20 × 27,288.48
  4. Step 4: Simplify right side
    28,040.16x = 1,148,113,676.74
  5. Step 5: Solve for x
    x = 1,148,113,676.74/28,040.16
  6. Step 6: Final answer
    x = 40,945.33

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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.