Home / 28,127.20-42,165.96-23,993.76

Finding the Fourth Proportional to 28,127.20, 42,165.96 and 23,993.76

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Solution

The fourth proportional to 28,127.20, 42,165.96 and 23,993.76 is: 35,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.20 : 42,165.96 = 23,993.76 : x
  2. Step 2: Convert to fraction form
    28,127.20/42,165.96 = 23,993.76/x
  3. Step 3: Cross multiply
    28,127.20x = 42,165.96 × 23,993.76
  4. Step 4: Simplify right side
    28,127.20x = 1,011,719,924.41
  5. Step 5: Solve for x
    x = 1,011,719,924.41/28,127.20
  6. Step 6: Final answer
    x = 35,969.45

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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.