Home / 17,009.29-25,389.10-15,756.83

Finding the Fourth Proportional to 17,009.29, 25,389.10 and 15,756.83

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Solution

The fourth proportional to 17,009.29, 25,389.10 and 15,756.83 is: 23,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.29 : 25,389.10 = 15,756.83 : x
  2. Step 2: Convert to fraction form
    17,009.29/25,389.10 = 15,756.83/x
  3. Step 3: Cross multiply
    17,009.29x = 25,389.10 × 15,756.83
  4. Step 4: Simplify right side
    17,009.29x = 400,051,631.88
  5. Step 5: Solve for x
    x = 400,051,631.88/17,009.29
  6. Step 6: Final answer
    x = 23,519.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.