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Finding the Fourth Proportional to 32,928.80, 49,360.80 and 16,291.40

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Solution

The fourth proportional to 32,928.80, 49,360.80 and 16,291.40 is: 24,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.80 : 49,360.80 = 16,291.40 : x
  2. Step 2: Convert to fraction form
    32,928.80/49,360.80 = 16,291.40/x
  3. Step 3: Cross multiply
    32,928.80x = 49,360.80 × 16,291.40
  4. Step 4: Simplify right side
    32,928.80x = 804,156,537.12
  5. Step 5: Solve for x
    x = 804,156,537.12/32,928.80
  6. Step 6: Final answer
    x = 24,421.07

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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.