Home / 28,376.75-39,141.16-17,747.93

Finding the Fourth Proportional to 28,376.75, 39,141.16 and 17,747.93

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Solution

The fourth proportional to 28,376.75, 39,141.16 and 17,747.93 is: 24,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.75 : 39,141.16 = 17,747.93 : x
  2. Step 2: Convert to fraction form
    28,376.75/39,141.16 = 17,747.93/x
  3. Step 3: Cross multiply
    28,376.75x = 39,141.16 × 17,747.93
  4. Step 4: Simplify right side
    28,376.75x = 694,674,283.35
  5. Step 5: Solve for x
    x = 694,674,283.35/28,376.75
  6. Step 6: Final answer
    x = 24,480.41

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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.