Home / 37,883.05-52,278.96-20,887.90

Finding the Fourth Proportional to 37,883.05, 52,278.96 and 20,887.90

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Solution

The fourth proportional to 37,883.05, 52,278.96 and 20,887.90 is: 28,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,883.05 : 52,278.96 = 20,887.90 : x
  2. Step 2: Convert to fraction form
    37,883.05/52,278.96 = 20,887.90/x
  3. Step 3: Cross multiply
    37,883.05x = 52,278.96 × 20,887.90
  4. Step 4: Simplify right side
    37,883.05x = 1,091,997,688.58
  5. Step 5: Solve for x
    x = 1,091,997,688.58/37,883.05
  6. Step 6: Final answer
    x = 28,825.50

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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.