Home / 21,685.20-32,527.80-11,295.60

Finding the Fourth Proportional to 21,685.20, 32,527.80 and 11,295.60

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Solution

The fourth proportional to 21,685.20, 32,527.80 and 11,295.60 is: 16,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.20 : 32,527.80 = 11,295.60 : x
  2. Step 2: Convert to fraction form
    21,685.20/32,527.80 = 11,295.60/x
  3. Step 3: Cross multiply
    21,685.20x = 32,527.80 × 11,295.60
  4. Step 4: Simplify right side
    21,685.20x = 367,421,017.68
  5. Step 5: Solve for x
    x = 367,421,017.68/21,685.20
  6. Step 6: Final answer
    x = 16,943.40

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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.