Home / 25,753.72-38,612.34-13,268.38

Finding the Fourth Proportional to 25,753.72, 38,612.34 and 13,268.38

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Solution

The fourth proportional to 25,753.72, 38,612.34 and 13,268.38 is: 19,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.72 : 38,612.34 = 13,268.38 : x
  2. Step 2: Convert to fraction form
    25,753.72/38,612.34 = 13,268.38/x
  3. Step 3: Cross multiply
    25,753.72x = 38,612.34 × 13,268.38
  4. Step 4: Simplify right side
    25,753.72x = 512,323,199.81
  5. Step 5: Solve for x
    x = 512,323,199.81/25,753.72
  6. Step 6: Final answer
    x = 19,893.17

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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.