Home / 21,815.70-32,723.55-14,903.70

Finding the Fourth Proportional to 21,815.70, 32,723.55 and 14,903.70

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Solution

The fourth proportional to 21,815.70, 32,723.55 and 14,903.70 is: 22,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.70 : 32,723.55 = 14,903.70 : x
  2. Step 2: Convert to fraction form
    21,815.70/32,723.55 = 14,903.70/x
  3. Step 3: Cross multiply
    21,815.70x = 32,723.55 × 14,903.70
  4. Step 4: Simplify right side
    21,815.70x = 487,701,972.14
  5. Step 5: Solve for x
    x = 487,701,972.14/21,815.70
  6. Step 6: Final answer
    x = 22,355.55

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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.