Home / 28,157.25-42,191.40-22,866.51

Finding the Fourth Proportional to 28,157.25, 42,191.40 and 22,866.51

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Solution

The fourth proportional to 28,157.25, 42,191.40 and 22,866.51 is: 34,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.25 : 42,191.40 = 22,866.51 : x
  2. Step 2: Convert to fraction form
    28,157.25/42,191.40 = 22,866.51/x
  3. Step 3: Cross multiply
    28,157.25x = 42,191.40 × 22,866.51
  4. Step 4: Simplify right side
    28,157.25x = 964,770,070.01
  5. Step 5: Solve for x
    x = 964,770,070.01/28,157.25
  6. Step 6: Final answer
    x = 34,263.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.