Home / 27,111.75-40,663.02-7,385.70

Finding the Fourth Proportional to 27,111.75, 40,663.02 and 7,385.70

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Solution

The fourth proportional to 27,111.75, 40,663.02 and 7,385.70 is: 11,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.75 : 40,663.02 = 7,385.70 : x
  2. Step 2: Convert to fraction form
    27,111.75/40,663.02 = 7,385.70/x
  3. Step 3: Cross multiply
    27,111.75x = 40,663.02 × 7,385.70
  4. Step 4: Simplify right side
    27,111.75x = 300,324,866.81
  5. Step 5: Solve for x
    x = 300,324,866.81/27,111.75
  6. Step 6: Final answer
    x = 11,077.30

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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.