Home / 28,897.19-39,876.18-16,321.13

Finding the Fourth Proportional to 28,897.19, 39,876.18 and 16,321.13

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Solution

The fourth proportional to 28,897.19, 39,876.18 and 16,321.13 is: 22,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.19 : 39,876.18 = 16,321.13 : x
  2. Step 2: Convert to fraction form
    28,897.19/39,876.18 = 16,321.13/x
  3. Step 3: Cross multiply
    28,897.19x = 39,876.18 × 16,321.13
  4. Step 4: Simplify right side
    28,897.19x = 650,824,118.30
  5. Step 5: Solve for x
    x = 650,824,118.30/28,897.19
  6. Step 6: Final answer
    x = 22,522.06

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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.