Home / 26,680.37-36,798.16-18,915.61

Finding the Fourth Proportional to 26,680.37, 36,798.16 and 18,915.61

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Solution

The fourth proportional to 26,680.37, 36,798.16 and 18,915.61 is: 26,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.37 : 36,798.16 = 18,915.61 : x
  2. Step 2: Convert to fraction form
    26,680.37/36,798.16 = 18,915.61/x
  3. Step 3: Cross multiply
    26,680.37x = 36,798.16 × 18,915.61
  4. Step 4: Simplify right side
    26,680.37x = 696,059,643.28
  5. Step 5: Solve for x
    x = 696,059,643.28/26,680.37
  6. Step 6: Final answer
    x = 26,088.83

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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.