Home / 28,545.48-39,389.22-15,967.08

Finding the Fourth Proportional to 28,545.48, 39,389.22 and 15,967.08

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Solution

The fourth proportional to 28,545.48, 39,389.22 and 15,967.08 is: 22,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.48 : 39,389.22 = 15,967.08 : x
  2. Step 2: Convert to fraction form
    28,545.48/39,389.22 = 15,967.08/x
  3. Step 3: Cross multiply
    28,545.48x = 39,389.22 × 15,967.08
  4. Step 4: Simplify right side
    28,545.48x = 628,930,826.88
  5. Step 5: Solve for x
    x = 628,930,826.88/28,545.48
  6. Step 6: Final answer
    x = 22,032.59

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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.