Home / 21,629.68-32,444.52-5,213.68

Finding the Fourth Proportional to 21,629.68, 32,444.52 and 5,213.68

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Solution

The fourth proportional to 21,629.68, 32,444.52 and 5,213.68 is: 7,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.68 : 32,444.52 = 5,213.68 : x
  2. Step 2: Convert to fraction form
    21,629.68/32,444.52 = 5,213.68/x
  3. Step 3: Cross multiply
    21,629.68x = 32,444.52 × 5,213.68
  4. Step 4: Simplify right side
    21,629.68x = 169,155,345.03
  5. Step 5: Solve for x
    x = 169,155,345.03/21,629.68
  6. Step 6: Final answer
    x = 7,820.52

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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.