Home / 28,659.52-42,966.96-13,658.83

Finding the Fourth Proportional to 28,659.52, 42,966.96 and 13,658.83

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Solution

The fourth proportional to 28,659.52, 42,966.96 and 13,658.83 is: 20,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.52 : 42,966.96 = 13,658.83 : x
  2. Step 2: Convert to fraction form
    28,659.52/42,966.96 = 13,658.83/x
  3. Step 3: Cross multiply
    28,659.52x = 42,966.96 × 13,658.83
  4. Step 4: Simplify right side
    28,659.52x = 586,878,243.62
  5. Step 5: Solve for x
    x = 586,878,243.62/28,659.52
  6. Step 6: Final answer
    x = 20,477.60

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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.