Home / 26,442.22-36,437.52-18,867.20

Finding the Fourth Proportional to 26,442.22, 36,437.52 and 18,867.20

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Solution

The fourth proportional to 26,442.22, 36,437.52 and 18,867.20 is: 25,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.22 : 36,437.52 = 18,867.20 : x
  2. Step 2: Convert to fraction form
    26,442.22/36,437.52 = 18,867.20/x
  3. Step 3: Cross multiply
    26,442.22x = 36,437.52 × 18,867.20
  4. Step 4: Simplify right side
    26,442.22x = 687,473,977.34
  5. Step 5: Solve for x
    x = 687,473,977.34/26,442.22
  6. Step 6: Final answer
    x = 25,999.10

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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.