Home / 43,228.65-59,666.91-28,162.65

Finding the Fourth Proportional to 43,228.65, 59,666.91 and 28,162.65

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Solution

The fourth proportional to 43,228.65, 59,666.91 and 28,162.65 is: 38,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.65 : 59,666.91 = 28,162.65 : x
  2. Step 2: Convert to fraction form
    43,228.65/59,666.91 = 28,162.65/x
  3. Step 3: Cross multiply
    43,228.65x = 59,666.91 × 28,162.65
  4. Step 4: Simplify right side
    43,228.65x = 1,680,378,302.91
  5. Step 5: Solve for x
    x = 1,680,378,302.91/43,228.65
  6. Step 6: Final answer
    x = 38,871.87

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1.5x scale

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.