Home / 26,915.40-37,143.48-14,979.24

Finding the Fourth Proportional to 26,915.40, 37,143.48 and 14,979.24

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Solution

The fourth proportional to 26,915.40, 37,143.48 and 14,979.24 is: 20,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.40 : 37,143.48 = 14,979.24 : x
  2. Step 2: Convert to fraction form
    26,915.40/37,143.48 = 14,979.24/x
  3. Step 3: Cross multiply
    26,915.40x = 37,143.48 × 14,979.24
  4. Step 4: Simplify right side
    26,915.40x = 556,381,101.36
  5. Step 5: Solve for x
    x = 556,381,101.36/26,915.40
  6. Step 6: Final answer
    x = 20,671.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.