Home / 28,330.98-39,095.96-15,584.15

Finding the Fourth Proportional to 28,330.98, 39,095.96 and 15,584.15

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Solution

The fourth proportional to 28,330.98, 39,095.96 and 15,584.15 is: 21,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.98 : 39,095.96 = 15,584.15 : x
  2. Step 2: Convert to fraction form
    28,330.98/39,095.96 = 15,584.15/x
  3. Step 3: Cross multiply
    28,330.98x = 39,095.96 × 15,584.15
  4. Step 4: Simplify right side
    28,330.98x = 609,277,168.33
  5. Step 5: Solve for x
    x = 609,277,168.33/28,330.98
  6. Step 6: Final answer
    x = 21,505.69

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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.