Home / 24,187.40-36,281.10-13,128.20

Finding the Fourth Proportional to 24,187.40, 36,281.10 and 13,128.20

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Solution

The fourth proportional to 24,187.40, 36,281.10 and 13,128.20 is: 19,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.40 : 36,281.10 = 13,128.20 : x
  2. Step 2: Convert to fraction form
    24,187.40/36,281.10 = 13,128.20/x
  3. Step 3: Cross multiply
    24,187.40x = 36,281.10 × 13,128.20
  4. Step 4: Simplify right side
    24,187.40x = 476,305,537.02
  5. Step 5: Solve for x
    x = 476,305,537.02/24,187.40
  6. Step 6: Final answer
    x = 19,692.30

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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.