Home / 25,022.81-34,530.95-13,692.26

Finding the Fourth Proportional to 25,022.81, 34,530.95 and 13,692.26

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Solution

The fourth proportional to 25,022.81, 34,530.95 and 13,692.26 is: 18,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,022.81 : 34,530.95 = 13,692.26 : x
  2. Step 2: Convert to fraction form
    25,022.81/34,530.95 = 13,692.26/x
  3. Step 3: Cross multiply
    25,022.81x = 34,530.95 × 13,692.26
  4. Step 4: Simplify right side
    25,022.81x = 472,806,676.99
  5. Step 5: Solve for x
    x = 472,806,676.99/25,022.81
  6. Step 6: Final answer
    x = 18,895.03

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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.