Home / 28,064.89-42,102.88-10,295.72

Finding the Fourth Proportional to 28,064.89, 42,102.88 and 10,295.72

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Solution

The fourth proportional to 28,064.89, 42,102.88 and 10,295.72 is: 15,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.89 : 42,102.88 = 10,295.72 : x
  2. Step 2: Convert to fraction form
    28,064.89/42,102.88 = 10,295.72/x
  3. Step 3: Cross multiply
    28,064.89x = 42,102.88 × 10,295.72
  4. Step 4: Simplify right side
    28,064.89x = 433,479,443.22
  5. Step 5: Solve for x
    x = 433,479,443.22/28,064.89
  6. Step 6: Final answer
    x = 15,445.61

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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.