Home / 29,448.96-40,636.80-20,025.60

Finding the Fourth Proportional to 29,448.96, 40,636.80 and 20,025.60

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Solution

The fourth proportional to 29,448.96, 40,636.80 and 20,025.60 is: 27,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.96 : 40,636.80 = 20,025.60 : x
  2. Step 2: Convert to fraction form
    29,448.96/40,636.80 = 20,025.60/x
  3. Step 3: Cross multiply
    29,448.96x = 40,636.80 × 20,025.60
  4. Step 4: Simplify right side
    29,448.96x = 813,776,302.08
  5. Step 5: Solve for x
    x = 813,776,302.08/29,448.96
  6. Step 6: Final answer
    x = 27,633.45

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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.