Home / 25,800.38-38,700.60-7,080.67

Finding the Fourth Proportional to 25,800.38, 38,700.60 and 7,080.67

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Solution

The fourth proportional to 25,800.38, 38,700.60 and 7,080.67 is: 10,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.38 : 38,700.60 = 7,080.67 : x
  2. Step 2: Convert to fraction form
    25,800.38/38,700.60 = 7,080.67/x
  3. Step 3: Cross multiply
    25,800.38x = 38,700.60 × 7,080.67
  4. Step 4: Simplify right side
    25,800.38x = 274,026,239.05
  5. Step 5: Solve for x
    x = 274,026,239.05/25,800.38
  6. Step 6: Final answer
    x = 10,621.02

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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.