Home / 26,319.20-36,315.47-15,709.82

Finding the Fourth Proportional to 26,319.20, 36,315.47 and 15,709.82

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Solution

The fourth proportional to 26,319.20, 36,315.47 and 15,709.82 is: 21,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.20 : 36,315.47 = 15,709.82 : x
  2. Step 2: Convert to fraction form
    26,319.20/36,315.47 = 15,709.82/x
  3. Step 3: Cross multiply
    26,319.20x = 36,315.47 × 15,709.82
  4. Step 4: Simplify right side
    26,319.20x = 570,509,354.61
  5. Step 5: Solve for x
    x = 570,509,354.61/26,319.20
  6. Step 6: Final answer
    x = 21,676.55

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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.