Home / 42,268.93-63,407.62-15,621.92

Finding the Fourth Proportional to 42,268.93, 63,407.62 and 15,621.92

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Solution

The fourth proportional to 42,268.93, 63,407.62 and 15,621.92 is: 23,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268.93 : 63,407.62 = 15,621.92 : x
  2. Step 2: Convert to fraction form
    42,268.93/63,407.62 = 15,621.92/x
  3. Step 3: Cross multiply
    42,268.93x = 63,407.62 × 15,621.92
  4. Step 4: Simplify right side
    42,268.93x = 990,548,688.92
  5. Step 5: Solve for x
    x = 990,548,688.92/42,268.93
  6. Step 6: Final answer
    x = 23,434.44

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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.