Home / 26,897.40-40,367.10-18,635.40

Finding the Fourth Proportional to 26,897.40, 40,367.10 and 18,635.40

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Solution

The fourth proportional to 26,897.40, 40,367.10 and 18,635.40 is: 27,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.40 : 40,367.10 = 18,635.40 : x
  2. Step 2: Convert to fraction form
    26,897.40/40,367.10 = 18,635.40/x
  3. Step 3: Cross multiply
    26,897.40x = 40,367.10 × 18,635.40
  4. Step 4: Simplify right side
    26,897.40x = 752,257,055.34
  5. Step 5: Solve for x
    x = 752,257,055.34/26,897.40
  6. Step 6: Final answer
    x = 27,967.65

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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.