Home / 21,928.16-32,887.44-6,342.40

Finding the Fourth Proportional to 21,928.16, 32,887.44 and 6,342.40

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Solution

The fourth proportional to 21,928.16, 32,887.44 and 6,342.40 is: 9,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.16 : 32,887.44 = 6,342.40 : x
  2. Step 2: Convert to fraction form
    21,928.16/32,887.44 = 6,342.40/x
  3. Step 3: Cross multiply
    21,928.16x = 32,887.44 × 6,342.40
  4. Step 4: Simplify right side
    21,928.16x = 208,585,299.46
  5. Step 5: Solve for x
    x = 208,585,299.46/21,928.16
  6. Step 6: Final answer
    x = 9,512.21

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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.