Home / 21,404.10-32,106.15-14,405.70

Finding the Fourth Proportional to 21,404.10, 32,106.15 and 14,405.70

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Solution

The fourth proportional to 21,404.10, 32,106.15 and 14,405.70 is: 21,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.10 : 32,106.15 = 14,405.70 : x
  2. Step 2: Convert to fraction form
    21,404.10/32,106.15 = 14,405.70/x
  3. Step 3: Cross multiply
    21,404.10x = 32,106.15 × 14,405.70
  4. Step 4: Simplify right side
    21,404.10x = 462,511,565.06
  5. Step 5: Solve for x
    x = 462,511,565.06/21,404.10
  6. Step 6: Final answer
    x = 21,608.55

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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.