Home / 26,979.96-37,235.95-15,499.39

Finding the Fourth Proportional to 26,979.96, 37,235.95 and 15,499.39

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Solution

The fourth proportional to 26,979.96, 37,235.95 and 15,499.39 is: 21,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.96 : 37,235.95 = 15,499.39 : x
  2. Step 2: Convert to fraction form
    26,979.96/37,235.95 = 15,499.39/x
  3. Step 3: Cross multiply
    26,979.96x = 37,235.95 × 15,499.39
  4. Step 4: Simplify right side
    26,979.96x = 577,134,511.07
  5. Step 5: Solve for x
    x = 577,134,511.07/26,979.96
  6. Step 6: Final answer
    x = 21,391.23

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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.