Home / 25,205.40-34,785-16,692.66

Finding the Fourth Proportional to 25,205.40, 34,785 and 16,692.66

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Solution

The fourth proportional to 25,205.40, 34,785 and 16,692.66 is: 23,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.40 : 34,785 = 16,692.66 : x
  2. Step 2: Convert to fraction form
    25,205.40/34,785 = 16,692.66/x
  3. Step 3: Cross multiply
    25,205.40x = 34,785 × 16,692.66
  4. Step 4: Simplify right side
    25,205.40x = 580,654,178.10
  5. Step 5: Solve for x
    x = 580,654,178.10/25,205.40
  6. Step 6: Final answer
    x = 23,036.90

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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.