Home / 42,869.68-64,300.28-14,786.96

Finding the Fourth Proportional to 42,869.68, 64,300.28 and 14,786.96

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Solution

The fourth proportional to 42,869.68, 64,300.28 and 14,786.96 is: 22,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.68 : 64,300.28 = 14,786.96 : x
  2. Step 2: Convert to fraction form
    42,869.68/64,300.28 = 14,786.96/x
  3. Step 3: Cross multiply
    42,869.68x = 64,300.28 × 14,786.96
  4. Step 4: Simplify right side
    42,869.68x = 950,805,668.35
  5. Step 5: Solve for x
    x = 950,805,668.35/42,869.68
  6. Step 6: Final answer
    x = 22,178.98

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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.