Home / 28,223.22-38,946.42-15,473.94

Finding the Fourth Proportional to 28,223.22, 38,946.42 and 15,473.94

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Solution

The fourth proportional to 28,223.22, 38,946.42 and 15,473.94 is: 21,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.22 : 38,946.42 = 15,473.94 : x
  2. Step 2: Convert to fraction form
    28,223.22/38,946.42 = 15,473.94/x
  3. Step 3: Cross multiply
    28,223.22x = 38,946.42 × 15,473.94
  4. Step 4: Simplify right side
    28,223.22x = 602,654,566.29
  5. Step 5: Solve for x
    x = 602,654,566.29/28,223.22
  6. Step 6: Final answer
    x = 21,353.15

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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.