Home / 32,927.28-45,421.12-20,824.04

Finding the Fourth Proportional to 32,927.28, 45,421.12 and 20,824.04

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Solution

The fourth proportional to 32,927.28, 45,421.12 and 20,824.04 is: 28,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.28 : 45,421.12 = 20,824.04 : x
  2. Step 2: Convert to fraction form
    32,927.28/45,421.12 = 20,824.04/x
  3. Step 3: Cross multiply
    32,927.28x = 45,421.12 × 20,824.04
  4. Step 4: Simplify right side
    32,927.28x = 945,851,219.72
  5. Step 5: Solve for x
    x = 945,851,219.72/32,927.28
  6. Step 6: Final answer
    x = 28,725.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.