Home / 25,359.57-38,041.61-6,639.57

Finding the Fourth Proportional to 25,359.57, 38,041.61 and 6,639.57

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Solution

The fourth proportional to 25,359.57, 38,041.61 and 6,639.57 is: 9,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.57 : 38,041.61 = 6,639.57 : x
  2. Step 2: Convert to fraction form
    25,359.57/38,041.61 = 6,639.57/x
  3. Step 3: Cross multiply
    25,359.57x = 38,041.61 × 6,639.57
  4. Step 4: Simplify right side
    25,359.57x = 252,579,899.31
  5. Step 5: Solve for x
    x = 252,579,899.31/25,359.57
  6. Step 6: Final answer
    x = 9,959.94

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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.