Home / 19,535.22-26,970.12-12,832.54

Finding the Fourth Proportional to 19,535.22, 26,970.12 and 12,832.54

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Solution

The fourth proportional to 19,535.22, 26,970.12 and 12,832.54 is: 17,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.22 : 26,970.12 = 12,832.54 : x
  2. Step 2: Convert to fraction form
    19,535.22/26,970.12 = 12,832.54/x
  3. Step 3: Cross multiply
    19,535.22x = 26,970.12 × 12,832.54
  4. Step 4: Simplify right side
    19,535.22x = 346,095,143.70
  5. Step 5: Solve for x
    x = 346,095,143.70/19,535.22
  6. Step 6: Final answer
    x = 17,716.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.