Home / 21,528.72-32,293.40-14,180.24

Finding the Fourth Proportional to 21,528.72, 32,293.40 and 14,180.24

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Solution

The fourth proportional to 21,528.72, 32,293.40 and 14,180.24 is: 21,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.72 : 32,293.40 = 14,180.24 : x
  2. Step 2: Convert to fraction form
    21,528.72/32,293.40 = 14,180.24/x
  3. Step 3: Cross multiply
    21,528.72x = 32,293.40 × 14,180.24
  4. Step 4: Simplify right side
    21,528.72x = 457,928,162.42
  5. Step 5: Solve for x
    x = 457,928,162.42/21,528.72
  6. Step 6: Final answer
    x = 21,270.57

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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.