Home / 26,891.64-37,115.34-15,559.80

Finding the Fourth Proportional to 26,891.64, 37,115.34 and 15,559.80

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Solution

The fourth proportional to 26,891.64, 37,115.34 and 15,559.80 is: 21,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.64 : 37,115.34 = 15,559.80 : x
  2. Step 2: Convert to fraction form
    26,891.64/37,115.34 = 15,559.80/x
  3. Step 3: Cross multiply
    26,891.64x = 37,115.34 × 15,559.80
  4. Step 4: Simplify right side
    26,891.64x = 577,507,267.33
  5. Step 5: Solve for x
    x = 577,507,267.33/26,891.64
  6. Step 6: Final answer
    x = 21,475.35

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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.