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Finding the Fourth Proportional to 86,657.84, 130,002.92 and 27,477.60

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Solution

The fourth proportional to 86,657.84, 130,002.92 and 27,477.60 is: 41,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,657.84 : 130,002.92 = 27,477.60 : x
  2. Step 2: Convert to fraction form
    86,657.84/130,002.92 = 27,477.60/x
  3. Step 3: Cross multiply
    86,657.84x = 130,002.92 × 27,477.60
  4. Step 4: Simplify right side
    86,657.84x = 3,572,168,234.59
  5. Step 5: Solve for x
    x = 3,572,168,234.59/86,657.84
  6. Step 6: Final answer
    x = 41,221.52

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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.