Home / 26,979.39-37,223.30-15,646.59

Finding the Fourth Proportional to 26,979.39, 37,223.30 and 15,646.59

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Solution

The fourth proportional to 26,979.39, 37,223.30 and 15,646.59 is: 21,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.39 : 37,223.30 = 15,646.59 : x
  2. Step 2: Convert to fraction form
    26,979.39/37,223.30 = 15,646.59/x
  3. Step 3: Cross multiply
    26,979.39x = 37,223.30 × 15,646.59
  4. Step 4: Simplify right side
    26,979.39x = 582,417,635.31
  5. Step 5: Solve for x
    x = 582,417,635.31/26,979.39
  6. Step 6: Final answer
    x = 21,587.50

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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.