Home / 42,725.21-58,882.48-28,359.65

Finding the Fourth Proportional to 42,725.21, 58,882.48 and 28,359.65

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Solution

The fourth proportional to 42,725.21, 58,882.48 and 28,359.65 is: 39,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,725.21 : 58,882.48 = 28,359.65 : x
  2. Step 2: Convert to fraction form
    42,725.21/58,882.48 = 28,359.65/x
  3. Step 3: Cross multiply
    42,725.21x = 58,882.48 × 28,359.65
  4. Step 4: Simplify right side
    42,725.21x = 1,669,886,600.24
  5. Step 5: Solve for x
    x = 1,669,886,600.24/42,725.21
  6. Step 6: Final answer
    x = 39,084.34

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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.