Home / 17,856.04-26,778.86-5,372.84

Finding the Fourth Proportional to 17,856.04, 26,778.86 and 5,372.84

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Solution

The fourth proportional to 17,856.04, 26,778.86 and 5,372.84 is: 8,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.04 : 26,778.86 = 5,372.84 : x
  2. Step 2: Convert to fraction form
    17,856.04/26,778.86 = 5,372.84/x
  3. Step 3: Cross multiply
    17,856.04x = 26,778.86 × 5,372.84
  4. Step 4: Simplify right side
    17,856.04x = 143,878,530.16
  5. Step 5: Solve for x
    x = 143,878,530.16/17,856.04
  6. Step 6: Final answer
    x = 8,057.70

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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.