Home / 38,873.36-58,317.60-13,915.28

Finding the Fourth Proportional to 38,873.36, 58,317.60 and 13,915.28

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Solution

The fourth proportional to 38,873.36, 58,317.60 and 13,915.28 is: 20,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.36 : 58,317.60 = 13,915.28 : x
  2. Step 2: Convert to fraction form
    38,873.36/58,317.60 = 13,915.28/x
  3. Step 3: Cross multiply
    38,873.36x = 58,317.60 × 13,915.28
  4. Step 4: Simplify right side
    38,873.36x = 811,505,732.93
  5. Step 5: Solve for x
    x = 811,505,732.93/38,873.36
  6. Step 6: Final answer
    x = 20,875.63

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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.