Home / 28,700.19-43,054.61-10,230.75

Finding the Fourth Proportional to 28,700.19, 43,054.61 and 10,230.75

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Solution

The fourth proportional to 28,700.19, 43,054.61 and 10,230.75 is: 15,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.19 : 43,054.61 = 10,230.75 : x
  2. Step 2: Convert to fraction form
    28,700.19/43,054.61 = 10,230.75/x
  3. Step 3: Cross multiply
    28,700.19x = 43,054.61 × 10,230.75
  4. Step 4: Simplify right side
    28,700.19x = 440,480,900.10
  5. Step 5: Solve for x
    x = 440,480,900.10/28,700.19
  6. Step 6: Final answer
    x = 15,347.66

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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.