Home / 26,869.02-40,293-15,778.50

Finding the Fourth Proportional to 26,869.02, 40,293 and 15,778.50

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Solution

The fourth proportional to 26,869.02, 40,293 and 15,778.50 is: 23,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.02 : 40,293 = 15,778.50 : x
  2. Step 2: Convert to fraction form
    26,869.02/40,293 = 15,778.50/x
  3. Step 3: Cross multiply
    26,869.02x = 40,293 × 15,778.50
  4. Step 4: Simplify right side
    26,869.02x = 635,763,100.50
  5. Step 5: Solve for x
    x = 635,763,100.50/26,869.02
  6. Step 6: Final answer
    x = 23,661.57

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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.