Home / 26,755.31-40,122.95-21,477.35

Finding the Fourth Proportional to 26,755.31, 40,122.95 and 21,477.35

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Solution

The fourth proportional to 26,755.31, 40,122.95 and 21,477.35 is: 32,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.31 : 40,122.95 = 21,477.35 : x
  2. Step 2: Convert to fraction form
    26,755.31/40,122.95 = 21,477.35/x
  3. Step 3: Cross multiply
    26,755.31x = 40,122.95 × 21,477.35
  4. Step 4: Simplify right side
    26,755.31x = 861,734,633.10
  5. Step 5: Solve for x
    x = 861,734,633.10/26,755.31
  6. Step 6: Final answer
    x = 32,207.98

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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.