Home / 22,779.70-31,389.33-16,801.90

Finding the Fourth Proportional to 22,779.70, 31,389.33 and 16,801.90

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Solution

The fourth proportional to 22,779.70, 31,389.33 and 16,801.90 is: 23,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.70 : 31,389.33 = 16,801.90 : x
  2. Step 2: Convert to fraction form
    22,779.70/31,389.33 = 16,801.90/x
  3. Step 3: Cross multiply
    22,779.70x = 31,389.33 × 16,801.90
  4. Step 4: Simplify right side
    22,779.70x = 527,400,383.73
  5. Step 5: Solve for x
    x = 527,400,383.73/22,779.70
  6. Step 6: Final answer
    x = 23,152.21

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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.