Home / 28,777.03-43,165.12-8,000.53

Finding the Fourth Proportional to 28,777.03, 43,165.12 and 8,000.53

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Solution

The fourth proportional to 28,777.03, 43,165.12 and 8,000.53 is: 12,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.03 : 43,165.12 = 8,000.53 : x
  2. Step 2: Convert to fraction form
    28,777.03/43,165.12 = 8,000.53/x
  3. Step 3: Cross multiply
    28,777.03x = 43,165.12 × 8,000.53
  4. Step 4: Simplify right side
    28,777.03x = 345,343,837.51
  5. Step 5: Solve for x
    x = 345,343,837.51/28,777.03
  6. Step 6: Final answer
    x = 12,000.68

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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.