Home / 28,254.88-42,381.29-8,532.93

Finding the Fourth Proportional to 28,254.88, 42,381.29 and 8,532.93

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Solution

The fourth proportional to 28,254.88, 42,381.29 and 8,532.93 is: 12,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.88 : 42,381.29 = 8,532.93 : x
  2. Step 2: Convert to fraction form
    28,254.88/42,381.29 = 8,532.93/x
  3. Step 3: Cross multiply
    28,254.88x = 42,381.29 × 8,532.93
  4. Step 4: Simplify right side
    28,254.88x = 361,636,580.88
  5. Step 5: Solve for x
    x = 361,636,580.88/28,254.88
  6. Step 6: Final answer
    x = 12,799.09

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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.