Home / 28,608.68-42,925.40-15,470.36

Finding the Fourth Proportional to 28,608.68, 42,925.40 and 15,470.36

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Solution

The fourth proportional to 28,608.68, 42,925.40 and 15,470.36 is: 23,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.68 : 42,925.40 = 15,470.36 : x
  2. Step 2: Convert to fraction form
    28,608.68/42,925.40 = 15,470.36/x
  3. Step 3: Cross multiply
    28,608.68x = 42,925.40 × 15,470.36
  4. Step 4: Simplify right side
    28,608.68x = 664,071,391.14
  5. Step 5: Solve for x
    x = 664,071,391.14/28,608.68
  6. Step 6: Final answer
    x = 23,212.23

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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.