Home / 21,628.28-32,440.80-6,047.12

Finding the Fourth Proportional to 21,628.28, 32,440.80 and 6,047.12

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Solution

The fourth proportional to 21,628.28, 32,440.80 and 6,047.12 is: 9,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.28 : 32,440.80 = 6,047.12 : x
  2. Step 2: Convert to fraction form
    21,628.28/32,440.80 = 6,047.12/x
  3. Step 3: Cross multiply
    21,628.28x = 32,440.80 × 6,047.12
  4. Step 4: Simplify right side
    21,628.28x = 196,173,410.50
  5. Step 5: Solve for x
    x = 196,173,410.50/21,628.28
  6. Step 6: Final answer
    x = 9,070.23

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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.