Home / 21,700.48-32,539.20-10,609.12

Finding the Fourth Proportional to 21,700.48, 32,539.20 and 10,609.12

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Solution

The fourth proportional to 21,700.48, 32,539.20 and 10,609.12 is: 15,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.48 : 32,539.20 = 10,609.12 : x
  2. Step 2: Convert to fraction form
    21,700.48/32,539.20 = 10,609.12/x
  3. Step 3: Cross multiply
    21,700.48x = 32,539.20 × 10,609.12
  4. Step 4: Simplify right side
    21,700.48x = 345,212,277.50
  5. Step 5: Solve for x
    x = 345,212,277.50/21,700.48
  6. Step 6: Final answer
    x = 15,908.05

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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.