Home / 17,705.64-26,555.88-5,225.05

Finding the Fourth Proportional to 17,705.64, 26,555.88 and 5,225.05

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Solution

The fourth proportional to 17,705.64, 26,555.88 and 5,225.05 is: 7,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.64 : 26,555.88 = 5,225.05 : x
  2. Step 2: Convert to fraction form
    17,705.64/26,555.88 = 5,225.05/x
  3. Step 3: Cross multiply
    17,705.64x = 26,555.88 × 5,225.05
  4. Step 4: Simplify right side
    17,705.64x = 138,755,800.79
  5. Step 5: Solve for x
    x = 138,755,800.79/17,705.64
  6. Step 6: Final answer
    x = 7,836.81

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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.