Home / 19,275.46-28,932.63-13,015.78

Finding the Fourth Proportional to 19,275.46, 28,932.63 and 13,015.78

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Solution

The fourth proportional to 19,275.46, 28,932.63 and 13,015.78 is: 19,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.46 : 28,932.63 = 13,015.78 : x
  2. Step 2: Convert to fraction form
    19,275.46/28,932.63 = 13,015.78/x
  3. Step 3: Cross multiply
    19,275.46x = 28,932.63 × 13,015.78
  4. Step 4: Simplify right side
    19,275.46x = 376,580,746.90
  5. Step 5: Solve for x
    x = 376,580,746.90/19,275.46
  6. Step 6: Final answer
    x = 19,536.80

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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.