Home / 28,930.14-39,930.93-16,362.18

Finding the Fourth Proportional to 28,930.14, 39,930.93 and 16,362.18

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Solution

The fourth proportional to 28,930.14, 39,930.93 and 16,362.18 is: 22,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.14 : 39,930.93 = 16,362.18 : x
  2. Step 2: Convert to fraction form
    28,930.14/39,930.93 = 16,362.18/x
  3. Step 3: Cross multiply
    28,930.14x = 39,930.93 × 16,362.18
  4. Step 4: Simplify right side
    28,930.14x = 653,357,064.23
  5. Step 5: Solve for x
    x = 653,357,064.23/28,930.14
  6. Step 6: Final answer
    x = 22,583.96

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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.