Home / 26,248.80-36,214.29-18,288.12

Finding the Fourth Proportional to 26,248.80, 36,214.29 and 18,288.12

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Solution

The fourth proportional to 26,248.80, 36,214.29 and 18,288.12 is: 25,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,248.80 : 36,214.29 = 18,288.12 : x
  2. Step 2: Convert to fraction form
    26,248.80/36,214.29 = 18,288.12/x
  3. Step 3: Cross multiply
    26,248.80x = 36,214.29 × 18,288.12
  4. Step 4: Simplify right side
    26,248.80x = 662,291,281.23
  5. Step 5: Solve for x
    x = 662,291,281.23/26,248.80
  6. Step 6: Final answer
    x = 25,231.30

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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.