Home / 38,664.27-53,352-21,667.14

Finding the Fourth Proportional to 38,664.27, 53,352 and 21,667.14

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Solution

The fourth proportional to 38,664.27, 53,352 and 21,667.14 is: 29,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.27 : 53,352 = 21,667.14 : x
  2. Step 2: Convert to fraction form
    38,664.27/53,352 = 21,667.14/x
  3. Step 3: Cross multiply
    38,664.27x = 53,352 × 21,667.14
  4. Step 4: Simplify right side
    38,664.27x = 1,155,985,253.28
  5. Step 5: Solve for x
    x = 1,155,985,253.28/38,664.27
  6. Step 6: Final answer
    x = 29,898.02

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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.