Home / 27,438.12-37,862.37-15,502.50

Finding the Fourth Proportional to 27,438.12, 37,862.37 and 15,502.50

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Solution

The fourth proportional to 27,438.12, 37,862.37 and 15,502.50 is: 21,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.12 : 37,862.37 = 15,502.50 : x
  2. Step 2: Convert to fraction form
    27,438.12/37,862.37 = 15,502.50/x
  3. Step 3: Cross multiply
    27,438.12x = 37,862.37 × 15,502.50
  4. Step 4: Simplify right side
    27,438.12x = 586,961,390.93
  5. Step 5: Solve for x
    x = 586,961,390.93/27,438.12
  6. Step 6: Final answer
    x = 21,392.19

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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.