Home / 32,928.35-45,426.11-20,984.22

Finding the Fourth Proportional to 32,928.35, 45,426.11 and 20,984.22

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Solution

The fourth proportional to 32,928.35, 45,426.11 and 20,984.22 is: 28,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.35 : 45,426.11 = 20,984.22 : x
  2. Step 2: Convert to fraction form
    32,928.35/45,426.11 = 20,984.22/x
  3. Step 3: Cross multiply
    32,928.35x = 45,426.11 × 20,984.22
  4. Step 4: Simplify right side
    32,928.35x = 953,231,381.06
  5. Step 5: Solve for x
    x = 953,231,381.06/32,928.35
  6. Step 6: Final answer
    x = 28,948.66

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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.