Home / 25,622.60-38,437.86-10,830.20

Finding the Fourth Proportional to 25,622.60, 38,437.86 and 10,830.20

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Solution

The fourth proportional to 25,622.60, 38,437.86 and 10,830.20 is: 16,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.60 : 38,437.86 = 10,830.20 : x
  2. Step 2: Convert to fraction form
    25,622.60/38,437.86 = 10,830.20/x
  3. Step 3: Cross multiply
    25,622.60x = 38,437.86 × 10,830.20
  4. Step 4: Simplify right side
    25,622.60x = 416,289,711.37
  5. Step 5: Solve for x
    x = 416,289,711.37/25,622.60
  6. Step 6: Final answer
    x = 16,246.97

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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.