Home / 26,396.32-36,464.88-21,084.16

Finding the Fourth Proportional to 26,396.32, 36,464.88 and 21,084.16

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Solution

The fourth proportional to 26,396.32, 36,464.88 and 21,084.16 is: 29,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.32 : 36,464.88 = 21,084.16 : x
  2. Step 2: Convert to fraction form
    26,396.32/36,464.88 = 21,084.16/x
  3. Step 3: Cross multiply
    26,396.32x = 36,464.88 × 21,084.16
  4. Step 4: Simplify right side
    26,396.32x = 768,831,364.30
  5. Step 5: Solve for x
    x = 768,831,364.30/26,396.32
  6. Step 6: Final answer
    x = 29,126.46

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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.