Home / 38,289.24-57,429.30-10,211.40

Finding the Fourth Proportional to 38,289.24, 57,429.30 and 10,211.40

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Solution

The fourth proportional to 38,289.24, 57,429.30 and 10,211.40 is: 15,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.24 : 57,429.30 = 10,211.40 : x
  2. Step 2: Convert to fraction form
    38,289.24/57,429.30 = 10,211.40/x
  3. Step 3: Cross multiply
    38,289.24x = 57,429.30 × 10,211.40
  4. Step 4: Simplify right side
    38,289.24x = 586,433,554.02
  5. Step 5: Solve for x
    x = 586,433,554.02/38,289.24
  6. Step 6: Final answer
    x = 15,315.88

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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.