Home / 28,474.21-39,312.89-25,484.86

Finding the Fourth Proportional to 28,474.21, 39,312.89 and 25,484.86

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Solution

The fourth proportional to 28,474.21, 39,312.89 and 25,484.86 is: 35,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.21 : 39,312.89 = 25,484.86 : x
  2. Step 2: Convert to fraction form
    28,474.21/39,312.89 = 25,484.86/x
  3. Step 3: Cross multiply
    28,474.21x = 39,312.89 × 25,484.86
  4. Step 4: Simplify right side
    28,474.21x = 1,001,883,497.85
  5. Step 5: Solve for x
    x = 1,001,883,497.85/28,474.21
  6. Step 6: Final answer
    x = 35,185.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.