Home / 37,887.15-52,283.26-20,891.11

Finding the Fourth Proportional to 37,887.15, 52,283.26 and 20,891.11

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Solution

The fourth proportional to 37,887.15, 52,283.26 and 20,891.11 is: 28,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.15 : 52,283.26 = 20,891.11 : x
  2. Step 2: Convert to fraction form
    37,887.15/52,283.26 = 20,891.11/x
  3. Step 3: Cross multiply
    37,887.15x = 52,283.26 × 20,891.11
  4. Step 4: Simplify right side
    37,887.15x = 1,092,255,335.82
  5. Step 5: Solve for x
    x = 1,092,255,335.82/37,887.15
  6. Step 6: Final answer
    x = 28,829.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.