Home / 19,996.68-29,948.28-15,808.56

Finding the Fourth Proportional to 19,996.68, 29,948.28 and 15,808.56

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Solution

The fourth proportional to 19,996.68, 29,948.28 and 15,808.56 is: 23,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.68 : 29,948.28 = 15,808.56 : x
  2. Step 2: Convert to fraction form
    19,996.68/29,948.28 = 15,808.56/x
  3. Step 3: Cross multiply
    19,996.68x = 29,948.28 × 15,808.56
  4. Step 4: Simplify right side
    19,996.68x = 473,439,181.28
  5. Step 5: Solve for x
    x = 473,439,181.28/19,996.68
  6. Step 6: Final answer
    x = 23,675.89

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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.