Home / 21,407.90-32,112.05-5,825.52

Finding the Fourth Proportional to 21,407.90, 32,112.05 and 5,825.52

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Solution

The fourth proportional to 21,407.90, 32,112.05 and 5,825.52 is: 8,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.90 : 32,112.05 = 5,825.52 : x
  2. Step 2: Convert to fraction form
    21,407.90/32,112.05 = 5,825.52/x
  3. Step 3: Cross multiply
    21,407.90x = 32,112.05 × 5,825.52
  4. Step 4: Simplify right side
    21,407.90x = 187,069,360.39
  5. Step 5: Solve for x
    x = 187,069,360.39/21,407.90
  6. Step 6: Final answer
    x = 8,738.34

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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.