Home / 28,576.16-39,434.80-16,000.96

Finding the Fourth Proportional to 28,576.16, 39,434.80 and 16,000.96

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Solution

The fourth proportional to 28,576.16, 39,434.80 and 16,000.96 is: 22,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.16 : 39,434.80 = 16,000.96 : x
  2. Step 2: Convert to fraction form
    28,576.16/39,434.80 = 16,000.96/x
  3. Step 3: Cross multiply
    28,576.16x = 39,434.80 × 16,000.96
  4. Step 4: Simplify right side
    28,576.16x = 630,994,657.41
  5. Step 5: Solve for x
    x = 630,994,657.41/28,576.16
  6. Step 6: Final answer
    x = 22,081.16

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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.