Home / 28,740.69-43,049.07-15,565.23

Finding the Fourth Proportional to 28,740.69, 43,049.07 and 15,565.23

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Solution

The fourth proportional to 28,740.69, 43,049.07 and 15,565.23 is: 23,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.69 : 43,049.07 = 15,565.23 : x
  2. Step 2: Convert to fraction form
    28,740.69/43,049.07 = 15,565.23/x
  3. Step 3: Cross multiply
    28,740.69x = 43,049.07 × 15,565.23
  4. Step 4: Simplify right side
    28,740.69x = 670,068,675.84
  5. Step 5: Solve for x
    x = 670,068,675.84/28,740.69
  6. Step 6: Final answer
    x = 23,314.29

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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.