Home / 26,913.75-37,140.98-15,137.75

Finding the Fourth Proportional to 26,913.75, 37,140.98 and 15,137.75

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Solution

The fourth proportional to 26,913.75, 37,140.98 and 15,137.75 is: 20,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.75 : 37,140.98 = 15,137.75 : x
  2. Step 2: Convert to fraction form
    26,913.75/37,140.98 = 15,137.75/x
  3. Step 3: Cross multiply
    26,913.75x = 37,140.98 × 15,137.75
  4. Step 4: Simplify right side
    26,913.75x = 562,230,870.00
  5. Step 5: Solve for x
    x = 562,230,870.00/26,913.75
  6. Step 6: Final answer
    x = 20,890.10

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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.