Home / 26,840.64-40,080.21-21,920.04

Finding the Fourth Proportional to 26,840.64, 40,080.21 and 21,920.04

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Solution

The fourth proportional to 26,840.64, 40,080.21 and 21,920.04 is: 32,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.64 : 40,080.21 = 21,920.04 : x
  2. Step 2: Convert to fraction form
    26,840.64/40,080.21 = 21,920.04/x
  3. Step 3: Cross multiply
    26,840.64x = 40,080.21 × 21,920.04
  4. Step 4: Simplify right side
    26,840.64x = 878,559,806.41
  5. Step 5: Solve for x
    x = 878,559,806.41/26,840.64
  6. Step 6: Final answer
    x = 32,732.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.