Home / 38,890.20-58,364.10-15,533.40

Finding the Fourth Proportional to 38,890.20, 58,364.10 and 15,533.40

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Solution

The fourth proportional to 38,890.20, 58,364.10 and 15,533.40 is: 23,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.20 : 58,364.10 = 15,533.40 : x
  2. Step 2: Convert to fraction form
    38,890.20/58,364.10 = 15,533.40/x
  3. Step 3: Cross multiply
    38,890.20x = 58,364.10 × 15,533.40
  4. Step 4: Simplify right side
    38,890.20x = 906,592,910.94
  5. Step 5: Solve for x
    x = 906,592,910.94/38,890.20
  6. Step 6: Final answer
    x = 23,311.60

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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.