Home / 26,109.08-36,017.82-15,491.20

Finding the Fourth Proportional to 26,109.08, 36,017.82 and 15,491.20

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Solution

The fourth proportional to 26,109.08, 36,017.82 and 15,491.20 is: 21,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.08 : 36,017.82 = 15,491.20 : x
  2. Step 2: Convert to fraction form
    26,109.08/36,017.82 = 15,491.20/x
  3. Step 3: Cross multiply
    26,109.08x = 36,017.82 × 15,491.20
  4. Step 4: Simplify right side
    26,109.08x = 557,959,253.18
  5. Step 5: Solve for x
    x = 557,959,253.18/26,109.08
  6. Step 6: Final answer
    x = 21,370.31

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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.