Home / 26,990.04-37,232.10-21,959.88

Finding the Fourth Proportional to 26,990.04, 37,232.10 and 21,959.88

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Solution

The fourth proportional to 26,990.04, 37,232.10 and 21,959.88 is: 30,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.04 : 37,232.10 = 21,959.88 : x
  2. Step 2: Convert to fraction form
    26,990.04/37,232.10 = 21,959.88/x
  3. Step 3: Cross multiply
    26,990.04x = 37,232.10 × 21,959.88
  4. Step 4: Simplify right side
    26,990.04x = 817,612,448.15
  5. Step 5: Solve for x
    x = 817,612,448.15/26,990.04
  6. Step 6: Final answer
    x = 30,293.12

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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.