Home / 26,658.37-36,789.69-15,328.36

Finding the Fourth Proportional to 26,658.37, 36,789.69 and 15,328.36

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Solution

The fourth proportional to 26,658.37, 36,789.69 and 15,328.36 is: 21,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.37 : 36,789.69 = 15,328.36 : x
  2. Step 2: Convert to fraction form
    26,658.37/36,789.69 = 15,328.36/x
  3. Step 3: Cross multiply
    26,658.37x = 36,789.69 × 15,328.36
  4. Step 4: Simplify right side
    26,658.37x = 563,925,612.61
  5. Step 5: Solve for x
    x = 563,925,612.61/26,658.37
  6. Step 6: Final answer
    x = 21,153.79

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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.