Home / 17,428.27-26,142.44-6,900.77

Finding the Fourth Proportional to 17,428.27, 26,142.44 and 6,900.77

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Solution

The fourth proportional to 17,428.27, 26,142.44 and 6,900.77 is: 10,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.27 : 26,142.44 = 6,900.77 : x
  2. Step 2: Convert to fraction form
    17,428.27/26,142.44 = 6,900.77/x
  3. Step 3: Cross multiply
    17,428.27x = 26,142.44 × 6,900.77
  4. Step 4: Simplify right side
    17,428.27x = 180,402,800.46
  5. Step 5: Solve for x
    x = 180,402,800.46/17,428.27
  6. Step 6: Final answer
    x = 10,351.16

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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.