Home / 28,225.07-42,335.43-10,447.38

Finding the Fourth Proportional to 28,225.07, 42,335.43 and 10,447.38

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Solution

The fourth proportional to 28,225.07, 42,335.43 and 10,447.38 is: 15,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.07 : 42,335.43 = 10,447.38 : x
  2. Step 2: Convert to fraction form
    28,225.07/42,335.43 = 10,447.38/x
  3. Step 3: Cross multiply
    28,225.07x = 42,335.43 × 10,447.38
  4. Step 4: Simplify right side
    28,225.07x = 442,294,373.65
  5. Step 5: Solve for x
    x = 442,294,373.65/28,225.07
  6. Step 6: Final answer
    x = 15,670.27

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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.