Home / 26,886.76-37,099.02-18,395.80

Finding the Fourth Proportional to 26,886.76, 37,099.02 and 18,395.80

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Solution

The fourth proportional to 26,886.76, 37,099.02 and 18,395.80 is: 25,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.76 : 37,099.02 = 18,395.80 : x
  2. Step 2: Convert to fraction form
    26,886.76/37,099.02 = 18,395.80/x
  3. Step 3: Cross multiply
    26,886.76x = 37,099.02 × 18,395.80
  4. Step 4: Simplify right side
    26,886.76x = 682,466,152.12
  5. Step 5: Solve for x
    x = 682,466,152.12/26,886.76
  6. Step 6: Final answer
    x = 25,382.98

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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.