Home / 43,248.28-64,875.16-18,283.68

Finding the Fourth Proportional to 43,248.28, 64,875.16 and 18,283.68

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Solution

The fourth proportional to 43,248.28, 64,875.16 and 18,283.68 is: 27,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,248.28 : 64,875.16 = 18,283.68 : x
  2. Step 2: Convert to fraction form
    43,248.28/64,875.16 = 18,283.68/x
  3. Step 3: Cross multiply
    43,248.28x = 64,875.16 × 18,283.68
  4. Step 4: Simplify right side
    43,248.28x = 1,186,156,665.39
  5. Step 5: Solve for x
    x = 1,186,156,665.39/43,248.28
  6. Step 6: Final answer
    x = 27,426.68

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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.