Home / 21,632.08-32,448.36-6,840.64

Finding the Fourth Proportional to 21,632.08, 32,448.36 and 6,840.64

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Solution

The fourth proportional to 21,632.08, 32,448.36 and 6,840.64 is: 10,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.08 : 32,448.36 = 6,840.64 : x
  2. Step 2: Convert to fraction form
    21,632.08/32,448.36 = 6,840.64/x
  3. Step 3: Cross multiply
    21,632.08x = 32,448.36 × 6,840.64
  4. Step 4: Simplify right side
    21,632.08x = 221,967,549.35
  5. Step 5: Solve for x
    x = 221,967,549.35/21,632.08
  6. Step 6: Final answer
    x = 10,261.04

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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.