Home / 25,530.38-38,271.99-13,692.39

Finding the Fourth Proportional to 25,530.38, 38,271.99 and 13,692.39

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Solution

The fourth proportional to 25,530.38, 38,271.99 and 13,692.39 is: 20,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.38 : 38,271.99 = 13,692.39 : x
  2. Step 2: Convert to fraction form
    25,530.38/38,271.99 = 13,692.39/x
  3. Step 3: Cross multiply
    25,530.38x = 38,271.99 × 13,692.39
  4. Step 4: Simplify right side
    25,530.38x = 524,034,807.43
  5. Step 5: Solve for x
    x = 524,034,807.43/25,530.38
  6. Step 6: Final answer
    x = 20,525.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.