Home / 26,864.16-40,312.44-21,336.72

Finding the Fourth Proportional to 26,864.16, 40,312.44 and 21,336.72

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Solution

The fourth proportional to 26,864.16, 40,312.44 and 21,336.72 is: 32,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.16 : 40,312.44 = 21,336.72 : x
  2. Step 2: Convert to fraction form
    26,864.16/40,312.44 = 21,336.72/x
  3. Step 3: Cross multiply
    26,864.16x = 40,312.44 × 21,336.72
  4. Step 4: Simplify right side
    26,864.16x = 860,135,244.80
  5. Step 5: Solve for x
    x = 860,135,244.80/26,864.16
  6. Step 6: Final answer
    x = 32,017.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.