Home / 28,235.48-38,938.23-16,903.17

Finding the Fourth Proportional to 28,235.48, 38,938.23 and 16,903.17

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Solution

The fourth proportional to 28,235.48, 38,938.23 and 16,903.17 is: 23,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.48 : 38,938.23 = 16,903.17 : x
  2. Step 2: Convert to fraction form
    28,235.48/38,938.23 = 16,903.17/x
  3. Step 3: Cross multiply
    28,235.48x = 38,938.23 × 16,903.17
  4. Step 4: Simplify right side
    28,235.48x = 658,179,521.19
  5. Step 5: Solve for x
    x = 658,179,521.19/28,235.48
  6. Step 6: Final answer
    x = 23,310.38

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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.