Home / 28,450.17-39,279.72-25,460.86

Finding the Fourth Proportional to 28,450.17, 39,279.72 and 25,460.86

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Solution

The fourth proportional to 28,450.17, 39,279.72 and 25,460.86 is: 35,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.17 : 39,279.72 = 25,460.86 : x
  2. Step 2: Convert to fraction form
    28,450.17/39,279.72 = 25,460.86/x
  3. Step 3: Cross multiply
    28,450.17x = 39,279.72 × 25,460.86
  4. Step 4: Simplify right side
    28,450.17x = 1,000,095,451.76
  5. Step 5: Solve for x
    x = 1,000,095,451.76/28,450.17
  6. Step 6: Final answer
    x = 35,152.53

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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.