Home / 27,531.90-37,993.96-15,595.21

Finding the Fourth Proportional to 27,531.90, 37,993.96 and 15,595.21

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Solution

The fourth proportional to 27,531.90, 37,993.96 and 15,595.21 is: 21,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.90 : 37,993.96 = 15,595.21 : x
  2. Step 2: Convert to fraction form
    27,531.90/37,993.96 = 15,595.21/x
  3. Step 3: Cross multiply
    27,531.90x = 37,993.96 × 15,595.21
  4. Step 4: Simplify right side
    27,531.90x = 592,523,745.06
  5. Step 5: Solve for x
    x = 592,523,745.06/27,531.90
  6. Step 6: Final answer
    x = 21,521.35

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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.