Home / 28,836.13-43,268.02-15,688.48

Finding the Fourth Proportional to 28,836.13, 43,268.02 and 15,688.48

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Solution

The fourth proportional to 28,836.13, 43,268.02 and 15,688.48 is: 23,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.13 : 43,268.02 = 15,688.48 : x
  2. Step 2: Convert to fraction form
    28,836.13/43,268.02 = 15,688.48/x
  3. Step 3: Cross multiply
    28,836.13x = 43,268.02 × 15,688.48
  4. Step 4: Simplify right side
    28,836.13x = 678,809,466.41
  5. Step 5: Solve for x
    x = 678,809,466.41/28,836.13
  6. Step 6: Final answer
    x = 23,540.24

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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.