Home / 38,277.38-52,825.16-21,281.76

Finding the Fourth Proportional to 38,277.38, 52,825.16 and 21,281.76

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Solution

The fourth proportional to 38,277.38, 52,825.16 and 21,281.76 is: 29,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.38 : 52,825.16 = 21,281.76 : x
  2. Step 2: Convert to fraction form
    38,277.38/52,825.16 = 21,281.76/x
  3. Step 3: Cross multiply
    38,277.38x = 52,825.16 × 21,281.76
  4. Step 4: Simplify right side
    38,277.38x = 1,124,212,430.29
  5. Step 5: Solve for x
    x = 1,124,212,430.29/38,277.38
  6. Step 6: Final answer
    x = 29,370.15

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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.