Home / 28,658.46-42,995.64-12,014.58

Finding the Fourth Proportional to 28,658.46, 42,995.64 and 12,014.58

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Solution

The fourth proportional to 28,658.46, 42,995.64 and 12,014.58 is: 18,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.46 : 42,995.64 = 12,014.58 : x
  2. Step 2: Convert to fraction form
    28,658.46/42,995.64 = 12,014.58/x
  3. Step 3: Cross multiply
    28,658.46x = 42,995.64 × 12,014.58
  4. Step 4: Simplify right side
    28,658.46x = 516,574,556.43
  5. Step 5: Solve for x
    x = 516,574,556.43/28,658.46
  6. Step 6: Final answer
    x = 18,025.20

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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.