Home / 28,642.02-42,945.77-12,844.19

Finding the Fourth Proportional to 28,642.02, 42,945.77 and 12,844.19

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Solution

The fourth proportional to 28,642.02, 42,945.77 and 12,844.19 is: 19,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.02 : 42,945.77 = 12,844.19 : x
  2. Step 2: Convert to fraction form
    28,642.02/42,945.77 = 12,844.19/x
  3. Step 3: Cross multiply
    28,642.02x = 42,945.77 × 12,844.19
  4. Step 4: Simplify right side
    28,642.02x = 551,603,629.58
  5. Step 5: Solve for x
    x = 551,603,629.58/28,642.02
  6. Step 6: Final answer
    x = 19,258.54

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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.