Home / 28,610.12-42,920.14-9,632.94

Finding the Fourth Proportional to 28,610.12, 42,920.14 and 9,632.94

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Solution

The fourth proportional to 28,610.12, 42,920.14 and 9,632.94 is: 14,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.12 : 42,920.14 = 9,632.94 : x
  2. Step 2: Convert to fraction form
    28,610.12/42,920.14 = 9,632.94/x
  3. Step 3: Cross multiply
    28,610.12x = 42,920.14 × 9,632.94
  4. Step 4: Simplify right side
    28,610.12x = 413,447,133.41
  5. Step 5: Solve for x
    x = 413,447,133.41/28,610.12
  6. Step 6: Final answer
    x = 14,451.08

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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.