Home / 19,192.56-28,775.40-13,360.56

Finding the Fourth Proportional to 19,192.56, 28,775.40 and 13,360.56

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Solution

The fourth proportional to 19,192.56, 28,775.40 and 13,360.56 is: 20,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.56 : 28,775.40 = 13,360.56 : x
  2. Step 2: Convert to fraction form
    19,192.56/28,775.40 = 13,360.56/x
  3. Step 3: Cross multiply
    19,192.56x = 28,775.40 × 13,360.56
  4. Step 4: Simplify right side
    19,192.56x = 384,455,458.22
  5. Step 5: Solve for x
    x = 384,455,458.22/19,192.56
  6. Step 6: Final answer
    x = 20,031.48

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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.