Home / 28,709.19-43,070.00-8,717.04

Finding the Fourth Proportional to 28,709.19, 43,070.00 and 8,717.04

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Solution

The fourth proportional to 28,709.19, 43,070.00 and 8,717.04 is: 13,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.19 : 43,070.00 = 8,717.04 : x
  2. Step 2: Convert to fraction form
    28,709.19/43,070.00 = 8,717.04/x
  3. Step 3: Cross multiply
    28,709.19x = 43,070.00 × 8,717.04
  4. Step 4: Simplify right side
    28,709.19x = 375,442,869.21
  5. Step 5: Solve for x
    x = 375,442,869.21/28,709.19
  6. Step 6: Final answer
    x = 13,077.45

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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.