Home / 43,319.04-59,742.84-28,206

Finding the Fourth Proportional to 43,319.04, 59,742.84 and 28,206

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Solution

The fourth proportional to 43,319.04, 59,742.84 and 28,206 is: 38,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.04 : 59,742.84 = 28,206 : x
  2. Step 2: Convert to fraction form
    43,319.04/59,742.84 = 28,206/x
  3. Step 3: Cross multiply
    43,319.04x = 59,742.84 × 28,206
  4. Step 4: Simplify right side
    43,319.04x = 1,685,106,545.04
  5. Step 5: Solve for x
    x = 1,685,106,545.04/43,319.04
  6. Step 6: Final answer
    x = 38,899.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.