Home / 26,421.60-36,463.31-15,672.86

Finding the Fourth Proportional to 26,421.60, 36,463.31 and 15,672.86

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Solution

The fourth proportional to 26,421.60, 36,463.31 and 15,672.86 is: 21,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.60 : 36,463.31 = 15,672.86 : x
  2. Step 2: Convert to fraction form
    26,421.60/36,463.31 = 15,672.86/x
  3. Step 3: Cross multiply
    26,421.60x = 36,463.31 × 15,672.86
  4. Step 4: Simplify right side
    26,421.60x = 571,484,183.24
  5. Step 5: Solve for x
    x = 571,484,183.24/26,421.60
  6. Step 6: Final answer
    x = 21,629.43

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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.