Home / 26,908.34-37,129.46-15,421.59

Finding the Fourth Proportional to 26,908.34, 37,129.46 and 15,421.59

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Solution

The fourth proportional to 26,908.34, 37,129.46 and 15,421.59 is: 21,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.34 : 37,129.46 = 15,421.59 : x
  2. Step 2: Convert to fraction form
    26,908.34/37,129.46 = 15,421.59/x
  3. Step 3: Cross multiply
    26,908.34x = 37,129.46 × 15,421.59
  4. Step 4: Simplify right side
    26,908.34x = 572,595,231.93
  5. Step 5: Solve for x
    x = 572,595,231.93/26,908.34
  6. Step 6: Final answer
    x = 21,279.47

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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.