Home / 19,172.44-28,758.30-13,526.92

Finding the Fourth Proportional to 19,172.44, 28,758.30 and 13,526.92

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Solution

The fourth proportional to 19,172.44, 28,758.30 and 13,526.92 is: 20,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.44 : 28,758.30 = 13,526.92 : x
  2. Step 2: Convert to fraction form
    19,172.44/28,758.30 = 13,526.92/x
  3. Step 3: Cross multiply
    19,172.44x = 28,758.30 × 13,526.92
  4. Step 4: Simplify right side
    19,172.44x = 389,011,223.44
  5. Step 5: Solve for x
    x = 389,011,223.44/19,172.44
  6. Step 6: Final answer
    x = 20,290.13

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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.