Home / 21,860.76-32,770.34-13,941.05

Finding the Fourth Proportional to 21,860.76, 32,770.34 and 13,941.05

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Solution

The fourth proportional to 21,860.76, 32,770.34 and 13,941.05 is: 20,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.76 : 32,770.34 = 13,941.05 : x
  2. Step 2: Convert to fraction form
    21,860.76/32,770.34 = 13,941.05/x
  3. Step 3: Cross multiply
    21,860.76x = 32,770.34 × 13,941.05
  4. Step 4: Simplify right side
    21,860.76x = 456,852,767.18
  5. Step 5: Solve for x
    x = 456,852,767.18/21,860.76
  6. Step 6: Final answer
    x = 20,898.30

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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.