Home / 26,600.68-36,706.02-15,420.52

Finding the Fourth Proportional to 26,600.68, 36,706.02 and 15,420.52

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Solution

The fourth proportional to 26,600.68, 36,706.02 and 15,420.52 is: 21,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.68 : 36,706.02 = 15,420.52 : x
  2. Step 2: Convert to fraction form
    26,600.68/36,706.02 = 15,420.52/x
  3. Step 3: Cross multiply
    26,600.68x = 36,706.02 × 15,420.52
  4. Step 4: Simplify right side
    26,600.68x = 566,025,915.53
  5. Step 5: Solve for x
    x = 566,025,915.53/26,600.68
  6. Step 6: Final answer
    x = 21,278.63

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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.