Home / 28,392.18-39,187.98-16,462.11

Finding the Fourth Proportional to 28,392.18, 39,187.98 and 16,462.11

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Solution

The fourth proportional to 28,392.18, 39,187.98 and 16,462.11 is: 22,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.18 : 39,187.98 = 16,462.11 : x
  2. Step 2: Convert to fraction form
    28,392.18/39,187.98 = 16,462.11/x
  3. Step 3: Cross multiply
    28,392.18x = 39,187.98 × 16,462.11
  4. Step 4: Simplify right side
    28,392.18x = 645,116,837.44
  5. Step 5: Solve for x
    x = 645,116,837.44/28,392.18
  6. Step 6: Final answer
    x = 22,721.64

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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.