Home / 28,661.07-42,992.57-7,603.24

Finding the Fourth Proportional to 28,661.07, 42,992.57 and 7,603.24

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Solution

The fourth proportional to 28,661.07, 42,992.57 and 7,603.24 is: 11,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.07 : 42,992.57 = 7,603.24 : x
  2. Step 2: Convert to fraction form
    28,661.07/42,992.57 = 7,603.24/x
  3. Step 3: Cross multiply
    28,661.07x = 42,992.57 × 7,603.24
  4. Step 4: Simplify right side
    28,661.07x = 326,882,827.93
  5. Step 5: Solve for x
    x = 326,882,827.93/28,661.07
  6. Step 6: Final answer
    x = 11,405.12

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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.