Home / 26,549.40-36,639.12-15,221.04

Finding the Fourth Proportional to 26,549.40, 36,639.12 and 15,221.04

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Solution

The fourth proportional to 26,549.40, 36,639.12 and 15,221.04 is: 21,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.40 : 36,639.12 = 15,221.04 : x
  2. Step 2: Convert to fraction form
    26,549.40/36,639.12 = 15,221.04/x
  3. Step 3: Cross multiply
    26,549.40x = 36,639.12 × 15,221.04
  4. Step 4: Simplify right side
    26,549.40x = 557,685,511.08
  5. Step 5: Solve for x
    x = 557,685,511.08/26,549.40
  6. Step 6: Final answer
    x = 21,005.58

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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.