Home / 28,879.26-39,875.94-22,154.25

Finding the Fourth Proportional to 28,879.26, 39,875.94 and 22,154.25

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Solution

The fourth proportional to 28,879.26, 39,875.94 and 22,154.25 is: 30,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.26 : 39,875.94 = 22,154.25 : x
  2. Step 2: Convert to fraction form
    28,879.26/39,875.94 = 22,154.25/x
  3. Step 3: Cross multiply
    28,879.26x = 39,875.94 × 22,154.25
  4. Step 4: Simplify right side
    28,879.26x = 883,421,543.75
  5. Step 5: Solve for x
    x = 883,421,543.75/28,879.26
  6. Step 6: Final answer
    x = 30,590.17

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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.