Home / 28,881.90-39,859.83-17,548.92

Finding the Fourth Proportional to 28,881.90, 39,859.83 and 17,548.92

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Solution

The fourth proportional to 28,881.90, 39,859.83 and 17,548.92 is: 24,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.90 : 39,859.83 = 17,548.92 : x
  2. Step 2: Convert to fraction form
    28,881.90/39,859.83 = 17,548.92/x
  3. Step 3: Cross multiply
    28,881.90x = 39,859.83 × 17,548.92
  4. Step 4: Simplify right side
    28,881.90x = 699,496,967.88
  5. Step 5: Solve for x
    x = 699,496,967.88/28,881.90
  6. Step 6: Final answer
    x = 24,219.22

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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.