Home / 26,821.58-40,253.63-14,180.31

Finding the Fourth Proportional to 26,821.58, 40,253.63 and 14,180.31

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Solution

The fourth proportional to 26,821.58, 40,253.63 and 14,180.31 is: 21,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.58 : 40,253.63 = 14,180.31 : x
  2. Step 2: Convert to fraction form
    26,821.58/40,253.63 = 14,180.31/x
  3. Step 3: Cross multiply
    26,821.58x = 40,253.63 × 14,180.31
  4. Step 4: Simplify right side
    26,821.58x = 570,808,881.12
  5. Step 5: Solve for x
    x = 570,808,881.12/26,821.58
  6. Step 6: Final answer
    x = 21,281.71

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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.