Home / 26,612.61-36,728.73-15,285.65

Finding the Fourth Proportional to 26,612.61, 36,728.73 and 15,285.65

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Solution

The fourth proportional to 26,612.61, 36,728.73 and 15,285.65 is: 21,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.61 : 36,728.73 = 15,285.65 : x
  2. Step 2: Convert to fraction form
    26,612.61/36,728.73 = 15,285.65/x
  3. Step 3: Cross multiply
    26,612.61x = 36,728.73 × 15,285.65
  4. Step 4: Simplify right side
    26,612.61x = 561,422,511.72
  5. Step 5: Solve for x
    x = 561,422,511.72/26,612.61
  6. Step 6: Final answer
    x = 21,096.11

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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.