Home / 42,858.68-64,298.28-17,884.83

Finding the Fourth Proportional to 42,858.68, 64,298.28 and 17,884.83

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Solution

The fourth proportional to 42,858.68, 64,298.28 and 17,884.83 is: 26,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.68 : 64,298.28 = 17,884.83 : x
  2. Step 2: Convert to fraction form
    42,858.68/64,298.28 = 17,884.83/x
  3. Step 3: Cross multiply
    42,858.68x = 64,298.28 × 17,884.83
  4. Step 4: Simplify right side
    42,858.68x = 1,149,963,923.13
  5. Step 5: Solve for x
    x = 1,149,963,923.13/42,858.68
  6. Step 6: Final answer
    x = 26,831.53

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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.