Home / 17,856.95-26,786.59-5,376.47

Finding the Fourth Proportional to 17,856.95, 26,786.59 and 5,376.47

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Solution

The fourth proportional to 17,856.95, 26,786.59 and 5,376.47 is: 8,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.95 : 26,786.59 = 5,376.47 : x
  2. Step 2: Convert to fraction form
    17,856.95/26,786.59 = 5,376.47/x
  3. Step 3: Cross multiply
    17,856.95x = 26,786.59 × 5,376.47
  4. Step 4: Simplify right side
    17,856.95x = 144,017,150.16
  5. Step 5: Solve for x
    x = 144,017,150.16/17,856.95
  6. Step 6: Final answer
    x = 8,065.05

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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.