Home / 28,485.28-39,303.69-16,542.46

Finding the Fourth Proportional to 28,485.28, 39,303.69 and 16,542.46

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Solution

The fourth proportional to 28,485.28, 39,303.69 and 16,542.46 is: 22,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485.28 : 39,303.69 = 16,542.46 : x
  2. Step 2: Convert to fraction form
    28,485.28/39,303.69 = 16,542.46/x
  3. Step 3: Cross multiply
    28,485.28x = 39,303.69 × 16,542.46
  4. Step 4: Simplify right side
    28,485.28x = 650,179,719.68
  5. Step 5: Solve for x
    x = 650,179,719.68/28,485.28
  6. Step 6: Final answer
    x = 22,825.11

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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.