Home / 25,140.08-34,692.36-13,962.80

Finding the Fourth Proportional to 25,140.08, 34,692.36 and 13,962.80

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Solution

The fourth proportional to 25,140.08, 34,692.36 and 13,962.80 is: 19,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.08 : 34,692.36 = 13,962.80 : x
  2. Step 2: Convert to fraction form
    25,140.08/34,692.36 = 13,962.80/x
  3. Step 3: Cross multiply
    25,140.08x = 34,692.36 × 13,962.80
  4. Step 4: Simplify right side
    25,140.08x = 484,402,484.21
  5. Step 5: Solve for x
    x = 484,402,484.21/25,140.08
  6. Step 6: Final answer
    x = 19,268.14

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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.