Home / 28,724.02-43,062.74-12,917.48

Finding the Fourth Proportional to 28,724.02, 43,062.74 and 12,917.48

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Solution

The fourth proportional to 28,724.02, 43,062.74 and 12,917.48 is: 19,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.02 : 43,062.74 = 12,917.48 : x
  2. Step 2: Convert to fraction form
    28,724.02/43,062.74 = 12,917.48/x
  3. Step 3: Cross multiply
    28,724.02x = 43,062.74 × 12,917.48
  4. Step 4: Simplify right side
    28,724.02x = 556,261,851.23
  5. Step 5: Solve for x
    x = 556,261,851.23/28,724.02
  6. Step 6: Final answer
    x = 19,365.74

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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.