Home / 19,088.75-28,626.26-6,605.38

Finding the Fourth Proportional to 19,088.75, 28,626.26 and 6,605.38

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Solution

The fourth proportional to 19,088.75, 28,626.26 and 6,605.38 is: 9,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.75 : 28,626.26 = 6,605.38 : x
  2. Step 2: Convert to fraction form
    19,088.75/28,626.26 = 6,605.38/x
  3. Step 3: Cross multiply
    19,088.75x = 28,626.26 × 6,605.38
  4. Step 4: Simplify right side
    19,088.75x = 189,087,365.19
  5. Step 5: Solve for x
    x = 189,087,365.19/19,088.75
  6. Step 6: Final answer
    x = 9,905.70

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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.