Home / 26,987.89-40,484.54-8,267.71

Finding the Fourth Proportional to 26,987.89, 40,484.54 and 8,267.71

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Solution

The fourth proportional to 26,987.89, 40,484.54 and 8,267.71 is: 12,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.89 : 40,484.54 = 8,267.71 : x
  2. Step 2: Convert to fraction form
    26,987.89/40,484.54 = 8,267.71/x
  3. Step 3: Cross multiply
    26,987.89x = 40,484.54 × 8,267.71
  4. Step 4: Simplify right side
    26,987.89x = 334,714,436.20
  5. Step 5: Solve for x
    x = 334,714,436.20/26,987.89
  6. Step 6: Final answer
    x = 12,402.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.