Home / 21,948.60-32,933.70-8,801.40

Finding the Fourth Proportional to 21,948.60, 32,933.70 and 8,801.40

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Solution

The fourth proportional to 21,948.60, 32,933.70 and 8,801.40 is: 13,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.60 : 32,933.70 = 8,801.40 : x
  2. Step 2: Convert to fraction form
    21,948.60/32,933.70 = 8,801.40/x
  3. Step 3: Cross multiply
    21,948.60x = 32,933.70 × 8,801.40
  4. Step 4: Simplify right side
    21,948.60x = 289,862,667.18
  5. Step 5: Solve for x
    x = 289,862,667.18/21,948.60
  6. Step 6: Final answer
    x = 13,206.43

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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.