Home / 28,273.44-42,389.20-14,223.18

Finding the Fourth Proportional to 28,273.44, 42,389.20 and 14,223.18

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Solution

The fourth proportional to 28,273.44, 42,389.20 and 14,223.18 is: 21,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.44 : 42,389.20 = 14,223.18 : x
  2. Step 2: Convert to fraction form
    28,273.44/42,389.20 = 14,223.18/x
  3. Step 3: Cross multiply
    28,273.44x = 42,389.20 × 14,223.18
  4. Step 4: Simplify right side
    28,273.44x = 602,909,221.66
  5. Step 5: Solve for x
    x = 602,909,221.66/28,273.44
  6. Step 6: Final answer
    x = 21,324.23

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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.