Home / 19,355.16-26,715.06-10,976.52

Finding the Fourth Proportional to 19,355.16, 26,715.06 and 10,976.52

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Solution

The fourth proportional to 19,355.16, 26,715.06 and 10,976.52 is: 15,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.16 : 26,715.06 = 10,976.52 : x
  2. Step 2: Convert to fraction form
    19,355.16/26,715.06 = 10,976.52/x
  3. Step 3: Cross multiply
    19,355.16x = 26,715.06 × 10,976.52
  4. Step 4: Simplify right side
    19,355.16x = 293,238,390.39
  5. Step 5: Solve for x
    x = 293,238,390.39/19,355.16
  6. Step 6: Final answer
    x = 15,150.40

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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.