Home / 28,958.18-43,422.60-14,144.90

Finding the Fourth Proportional to 28,958.18, 43,422.60 and 14,144.90

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Solution

The fourth proportional to 28,958.18, 43,422.60 and 14,144.90 is: 21,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.18 : 43,422.60 = 14,144.90 : x
  2. Step 2: Convert to fraction form
    28,958.18/43,422.60 = 14,144.90/x
  3. Step 3: Cross multiply
    28,958.18x = 43,422.60 × 14,144.90
  4. Step 4: Simplify right side
    28,958.18x = 614,208,334.74
  5. Step 5: Solve for x
    x = 614,208,334.74/28,958.18
  6. Step 6: Final answer
    x = 21,210.18

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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.