Home / 38,880.20-58,320.30-15,523.40

Finding the Fourth Proportional to 38,880.20, 58,320.30 and 15,523.40

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Solution

The fourth proportional to 38,880.20, 58,320.30 and 15,523.40 is: 23,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.20 : 58,320.30 = 15,523.40 : x
  2. Step 2: Convert to fraction form
    38,880.20/58,320.30 = 15,523.40/x
  3. Step 3: Cross multiply
    38,880.20x = 58,320.30 × 15,523.40
  4. Step 4: Simplify right side
    38,880.20x = 905,329,345.02
  5. Step 5: Solve for x
    x = 905,329,345.02/38,880.20
  6. Step 6: Final answer
    x = 23,285.10

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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.