Home / 27,901.80-41,852.70-19,591.20

Finding the Fourth Proportional to 27,901.80, 41,852.70 and 19,591.20

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Solution

The fourth proportional to 27,901.80, 41,852.70 and 19,591.20 is: 29,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.80 : 41,852.70 = 19,591.20 : x
  2. Step 2: Convert to fraction form
    27,901.80/41,852.70 = 19,591.20/x
  3. Step 3: Cross multiply
    27,901.80x = 41,852.70 × 19,591.20
  4. Step 4: Simplify right side
    27,901.80x = 819,944,616.24
  5. Step 5: Solve for x
    x = 819,944,616.24/27,901.80
  6. Step 6: Final answer
    x = 29,386.80

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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.