Home / 26,543.04-36,610.52-21,991.36

Finding the Fourth Proportional to 26,543.04, 36,610.52 and 21,991.36

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Solution

The fourth proportional to 26,543.04, 36,610.52 and 21,991.36 is: 30,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.04 : 36,610.52 = 21,991.36 : x
  2. Step 2: Convert to fraction form
    26,543.04/36,610.52 = 21,991.36/x
  3. Step 3: Cross multiply
    26,543.04x = 36,610.52 × 21,991.36
  4. Step 4: Simplify right side
    26,543.04x = 805,115,125.11
  5. Step 5: Solve for x
    x = 805,115,125.11/26,543.04
  6. Step 6: Final answer
    x = 30,332.44

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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.