Home / 20,045.02-27,639.49-14,993.05

Finding the Fourth Proportional to 20,045.02, 27,639.49 and 14,993.05

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Solution

The fourth proportional to 20,045.02, 27,639.49 and 14,993.05 is: 20,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.02 : 27,639.49 = 14,993.05 : x
  2. Step 2: Convert to fraction form
    20,045.02/27,639.49 = 14,993.05/x
  3. Step 3: Cross multiply
    20,045.02x = 27,639.49 × 14,993.05
  4. Step 4: Simplify right side
    20,045.02x = 414,400,255.54
  5. Step 5: Solve for x
    x = 414,400,255.54/20,045.02
  6. Step 6: Final answer
    x = 20,673.48

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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.