Home / 28,917.16-43,349.10-10,186.99

Finding the Fourth Proportional to 28,917.16, 43,349.10 and 10,186.99

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Solution

The fourth proportional to 28,917.16, 43,349.10 and 10,186.99 is: 15,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.16 : 43,349.10 = 10,186.99 : x
  2. Step 2: Convert to fraction form
    28,917.16/43,349.10 = 10,186.99/x
  3. Step 3: Cross multiply
    28,917.16x = 43,349.10 × 10,186.99
  4. Step 4: Simplify right side
    28,917.16x = 441,596,848.21
  5. Step 5: Solve for x
    x = 441,596,848.21/28,917.16
  6. Step 6: Final answer
    x = 15,271.10

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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.