Home / 28,195.36-38,908.15-16,257.98

Finding the Fourth Proportional to 28,195.36, 38,908.15 and 16,257.98

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Solution

The fourth proportional to 28,195.36, 38,908.15 and 16,257.98 is: 22,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.36 : 38,908.15 = 16,257.98 : x
  2. Step 2: Convert to fraction form
    28,195.36/38,908.15 = 16,257.98/x
  3. Step 3: Cross multiply
    28,195.36x = 38,908.15 × 16,257.98
  4. Step 4: Simplify right side
    28,195.36x = 632,567,981.16
  5. Step 5: Solve for x
    x = 632,567,981.16/28,195.36
  6. Step 6: Final answer
    x = 22,435.18

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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.