Home / 26,920.77-40,378.31-7,201.32

Finding the Fourth Proportional to 26,920.77, 40,378.31 and 7,201.32

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Solution

The fourth proportional to 26,920.77, 40,378.31 and 7,201.32 is: 10,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.77 : 40,378.31 = 7,201.32 : x
  2. Step 2: Convert to fraction form
    26,920.77/40,378.31 = 7,201.32/x
  3. Step 3: Cross multiply
    26,920.77x = 40,378.31 × 7,201.32
  4. Step 4: Simplify right side
    26,920.77x = 290,776,970.95
  5. Step 5: Solve for x
    x = 290,776,970.95/26,920.77
  6. Step 6: Final answer
    x = 10,801.21

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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.