Home / 28,512.03-39,343.95-16,575.21

Finding the Fourth Proportional to 28,512.03, 39,343.95 and 16,575.21

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Solution

The fourth proportional to 28,512.03, 39,343.95 and 16,575.21 is: 22,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.03 : 39,343.95 = 16,575.21 : x
  2. Step 2: Convert to fraction form
    28,512.03/39,343.95 = 16,575.21/x
  3. Step 3: Cross multiply
    28,512.03x = 39,343.95 × 16,575.21
  4. Step 4: Simplify right side
    28,512.03x = 652,134,233.48
  5. Step 5: Solve for x
    x = 652,134,233.48/28,512.03
  6. Step 6: Final answer
    x = 22,872.25

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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.