Home / 26,108.76-36,026.46-15,354.12

Finding the Fourth Proportional to 26,108.76, 36,026.46 and 15,354.12

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Solution

The fourth proportional to 26,108.76, 36,026.46 and 15,354.12 is: 21,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.76 : 36,026.46 = 15,354.12 : x
  2. Step 2: Convert to fraction form
    26,108.76/36,026.46 = 15,354.12/x
  3. Step 3: Cross multiply
    26,108.76x = 36,026.46 × 15,354.12
  4. Step 4: Simplify right side
    26,108.76x = 553,154,590.02
  5. Step 5: Solve for x
    x = 553,154,590.02/26,108.76
  6. Step 6: Final answer
    x = 21,186.55

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Half scale
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Double scale
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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.