Home / 28,686.12-39,582.66-16,110.12

Finding the Fourth Proportional to 28,686.12, 39,582.66 and 16,110.12

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Solution

The fourth proportional to 28,686.12, 39,582.66 and 16,110.12 is: 22,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.12 : 39,582.66 = 16,110.12 : x
  2. Step 2: Convert to fraction form
    28,686.12/39,582.66 = 16,110.12/x
  3. Step 3: Cross multiply
    28,686.12x = 39,582.66 × 16,110.12
  4. Step 4: Simplify right side
    28,686.12x = 637,681,402.52
  5. Step 5: Solve for x
    x = 637,681,402.52/28,686.12
  6. Step 6: Final answer
    x = 22,229.61

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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.