Home / 28,562.20-39,410.20-15,984.52

Finding the Fourth Proportional to 28,562.20, 39,410.20 and 15,984.52

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Solution

The fourth proportional to 28,562.20, 39,410.20 and 15,984.52 is: 22,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.20 : 39,410.20 = 15,984.52 : x
  2. Step 2: Convert to fraction form
    28,562.20/39,410.20 = 15,984.52/x
  3. Step 3: Cross multiply
    28,562.20x = 39,410.20 × 15,984.52
  4. Step 4: Simplify right side
    28,562.20x = 629,953,130.10
  5. Step 5: Solve for x
    x = 629,953,130.10/28,562.20
  6. Step 6: Final answer
    x = 22,055.48

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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.