Home / 18,327.16-27,477.28-5,840.00

Finding the Fourth Proportional to 18,327.16, 27,477.28 and 5,840.00

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Solution

The fourth proportional to 18,327.16, 27,477.28 and 5,840.00 is: 8,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.16 : 27,477.28 = 5,840.00 : x
  2. Step 2: Convert to fraction form
    18,327.16/27,477.28 = 5,840.00/x
  3. Step 3: Cross multiply
    18,327.16x = 27,477.28 × 5,840.00
  4. Step 4: Simplify right side
    18,327.16x = 160,467,148.61
  5. Step 5: Solve for x
    x = 160,467,148.61/18,327.16
  6. Step 6: Final answer
    x = 8,755.70

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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.