Home / 17,891.08-26,802.78-17,140.36

Finding the Fourth Proportional to 17,891.08, 26,802.78 and 17,140.36

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Solution

The fourth proportional to 17,891.08, 26,802.78 and 17,140.36 is: 25,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.08 : 26,802.78 = 17,140.36 : x
  2. Step 2: Convert to fraction form
    17,891.08/26,802.78 = 17,140.36/x
  3. Step 3: Cross multiply
    17,891.08x = 26,802.78 × 17,140.36
  4. Step 4: Simplify right side
    17,891.08x = 459,409,298.20
  5. Step 5: Solve for x
    x = 459,409,298.20/17,891.08
  6. Step 6: Final answer
    x = 25,678.12

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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.