Home / 38,857.36-58,293.60-13,899.28

Finding the Fourth Proportional to 38,857.36, 58,293.60 and 13,899.28

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Solution

The fourth proportional to 38,857.36, 58,293.60 and 13,899.28 is: 20,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857.36 : 58,293.60 = 13,899.28 : x
  2. Step 2: Convert to fraction form
    38,857.36/58,293.60 = 13,899.28/x
  3. Step 3: Cross multiply
    38,857.36x = 58,293.60 × 13,899.28
  4. Step 4: Simplify right side
    38,857.36x = 810,239,068.61
  5. Step 5: Solve for x
    x = 810,239,068.61/38,857.36
  6. Step 6: Final answer
    x = 20,851.62

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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.