Home / 26,985.04-37,225.20-21,954.88

Finding the Fourth Proportional to 26,985.04, 37,225.20 and 21,954.88

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Solution

The fourth proportional to 26,985.04, 37,225.20 and 21,954.88 is: 30,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.04 : 37,225.20 = 21,954.88 : x
  2. Step 2: Convert to fraction form
    26,985.04/37,225.20 = 21,954.88/x
  3. Step 3: Cross multiply
    26,985.04x = 37,225.20 × 21,954.88
  4. Step 4: Simplify right side
    26,985.04x = 817,274,798.98
  5. Step 5: Solve for x
    x = 817,274,798.98/26,985.04
  6. Step 6: Final answer
    x = 30,286.22

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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.