Home / 17,740.08-26,578.80-15,809.45

Finding the Fourth Proportional to 17,740.08, 26,578.80 and 15,809.45

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Solution

The fourth proportional to 17,740.08, 26,578.80 and 15,809.45 is: 23,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.08 : 26,578.80 = 15,809.45 : x
  2. Step 2: Convert to fraction form
    17,740.08/26,578.80 = 15,809.45/x
  3. Step 3: Cross multiply
    17,740.08x = 26,578.80 × 15,809.45
  4. Step 4: Simplify right side
    17,740.08x = 420,196,076.77
  5. Step 5: Solve for x
    x = 420,196,076.77/17,740.08
  6. Step 6: Final answer
    x = 23,686.26

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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.