Home / 26,300-36,295.44-15,122.72

Finding the Fourth Proportional to 26,300, 36,295.44 and 15,122.72

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Solution

The fourth proportional to 26,300, 36,295.44 and 15,122.72 is: 20,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300 : 36,295.44 = 15,122.72 : x
  2. Step 2: Convert to fraction form
    26,300/36,295.44 = 15,122.72/x
  3. Step 3: Cross multiply
    26,300x = 36,295.44 × 15,122.72
  4. Step 4: Simplify right side
    26,300x = 548,885,776.40
  5. Step 5: Solve for x
    x = 548,885,776.40/26,300
  6. Step 6: Final answer
    x = 20,870.18

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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.