Home / 28,713.81-43,073.96-13,127.25

Finding the Fourth Proportional to 28,713.81, 43,073.96 and 13,127.25

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Solution

The fourth proportional to 28,713.81, 43,073.96 and 13,127.25 is: 19,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.81 : 43,073.96 = 13,127.25 : x
  2. Step 2: Convert to fraction form
    28,713.81/43,073.96 = 13,127.25/x
  3. Step 3: Cross multiply
    28,713.81x = 43,073.96 × 13,127.25
  4. Step 4: Simplify right side
    28,713.81x = 565,442,575.77
  5. Step 5: Solve for x
    x = 565,442,575.77/28,713.81
  6. Step 6: Final answer
    x = 19,692.36

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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.