Home / 28,951.58-39,945.29-17,621.54

Finding the Fourth Proportional to 28,951.58, 39,945.29 and 17,621.54

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Solution

The fourth proportional to 28,951.58, 39,945.29 and 17,621.54 is: 24,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.58 : 39,945.29 = 17,621.54 : x
  2. Step 2: Convert to fraction form
    28,951.58/39,945.29 = 17,621.54/x
  3. Step 3: Cross multiply
    28,951.58x = 39,945.29 × 17,621.54
  4. Step 4: Simplify right side
    28,951.58x = 703,897,237.71
  5. Step 5: Solve for x
    x = 703,897,237.71/28,951.58
  6. Step 6: Final answer
    x = 24,312.92

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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.