Home / 19,275.22-28,898.78-13,019.72

Finding the Fourth Proportional to 19,275.22, 28,898.78 and 13,019.72

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Solution

The fourth proportional to 19,275.22, 28,898.78 and 13,019.72 is: 19,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.22 : 28,898.78 = 13,019.72 : x
  2. Step 2: Convert to fraction form
    19,275.22/28,898.78 = 13,019.72/x
  3. Step 3: Cross multiply
    19,275.22x = 28,898.78 × 13,019.72
  4. Step 4: Simplify right side
    19,275.22x = 376,254,023.94
  5. Step 5: Solve for x
    x = 376,254,023.94/19,275.22
  6. Step 6: Final answer
    x = 19,520.09

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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.