Home / 28,634.18-39,515.13-16,058.82

Finding the Fourth Proportional to 28,634.18, 39,515.13 and 16,058.82

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Solution

The fourth proportional to 28,634.18, 39,515.13 and 16,058.82 is: 22,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.18 : 39,515.13 = 16,058.82 : x
  2. Step 2: Convert to fraction form
    28,634.18/39,515.13 = 16,058.82/x
  3. Step 3: Cross multiply
    28,634.18x = 39,515.13 × 16,058.82
  4. Step 4: Simplify right side
    28,634.18x = 634,566,359.95
  5. Step 5: Solve for x
    x = 634,566,359.95/28,634.18
  6. Step 6: Final answer
    x = 22,161.15

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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.