Home / 26,915.31-37,142.85-14,815.39

Finding the Fourth Proportional to 26,915.31, 37,142.85 and 14,815.39

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Solution

The fourth proportional to 26,915.31, 37,142.85 and 14,815.39 is: 20,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.31 : 37,142.85 = 14,815.39 : x
  2. Step 2: Convert to fraction form
    26,915.31/37,142.85 = 14,815.39/x
  3. Step 3: Cross multiply
    26,915.31x = 37,142.85 × 14,815.39
  4. Step 4: Simplify right side
    26,915.31x = 550,285,808.46
  5. Step 5: Solve for x
    x = 550,285,808.46/26,915.31
  6. Step 6: Final answer
    x = 20,445.09

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1.5x scale

Why These Related Problems?

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