Home / 28,304.76-39,050.60-16,977.92

Finding the Fourth Proportional to 28,304.76, 39,050.60 and 16,977.92

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Solution

The fourth proportional to 28,304.76, 39,050.60 and 16,977.92 is: 23,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.76 : 39,050.60 = 16,977.92 : x
  2. Step 2: Convert to fraction form
    28,304.76/39,050.60 = 16,977.92/x
  3. Step 3: Cross multiply
    28,304.76x = 39,050.60 × 16,977.92
  4. Step 4: Simplify right side
    28,304.76x = 662,997,962.75
  5. Step 5: Solve for x
    x = 662,997,962.75/28,304.76
  6. Step 6: Final answer
    x = 23,423.55

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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.