Home / 28,484.20-42,733.02-10,954.60

Finding the Fourth Proportional to 28,484.20, 42,733.02 and 10,954.60

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Solution

The fourth proportional to 28,484.20, 42,733.02 and 10,954.60 is: 16,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.20 : 42,733.02 = 10,954.60 : x
  2. Step 2: Convert to fraction form
    28,484.20/42,733.02 = 10,954.60/x
  3. Step 3: Cross multiply
    28,484.20x = 42,733.02 × 10,954.60
  4. Step 4: Simplify right side
    28,484.20x = 468,123,140.89
  5. Step 5: Solve for x
    x = 468,123,140.89/28,484.20
  6. Step 6: Final answer
    x = 16,434.48

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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.