Home / 38,718.36-58,077.66-10,638.84

Finding the Fourth Proportional to 38,718.36, 58,077.66 and 10,638.84

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Solution

The fourth proportional to 38,718.36, 58,077.66 and 10,638.84 is: 15,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.36 : 58,077.66 = 10,638.84 : x
  2. Step 2: Convert to fraction form
    38,718.36/58,077.66 = 10,638.84/x
  3. Step 3: Cross multiply
    38,718.36x = 58,077.66 × 10,638.84
  4. Step 4: Simplify right side
    38,718.36x = 617,878,932.31
  5. Step 5: Solve for x
    x = 617,878,932.31/38,718.36
  6. Step 6: Final answer
    x = 15,958.29

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1.5x scale

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.