Home / 26,887.64-40,331.36-6,897.11

Finding the Fourth Proportional to 26,887.64, 40,331.36 and 6,897.11

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Solution

The fourth proportional to 26,887.64, 40,331.36 and 6,897.11 is: 10,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.64 : 40,331.36 = 6,897.11 : x
  2. Step 2: Convert to fraction form
    26,887.64/40,331.36 = 6,897.11/x
  3. Step 3: Cross multiply
    26,887.64x = 40,331.36 × 6,897.11
  4. Step 4: Simplify right side
    26,887.64x = 278,169,641.96
  5. Step 5: Solve for x
    x = 278,169,641.96/26,887.64
  6. Step 6: Final answer
    x = 10,345.63

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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.