Home / 26,985.62-37,244.64-15,661.82

Finding the Fourth Proportional to 26,985.62, 37,244.64 and 15,661.82

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Solution

The fourth proportional to 26,985.62, 37,244.64 and 15,661.82 is: 21,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.62 : 37,244.64 = 15,661.82 : x
  2. Step 2: Convert to fraction form
    26,985.62/37,244.64 = 15,661.82/x
  3. Step 3: Cross multiply
    26,985.62x = 37,244.64 × 15,661.82
  4. Step 4: Simplify right side
    26,985.62x = 583,318,847.64
  5. Step 5: Solve for x
    x = 583,318,847.64/26,985.62
  6. Step 6: Final answer
    x = 21,615.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.