Home / 25,352.79-38,019.47-8,709.72

Finding the Fourth Proportional to 25,352.79, 38,019.47 and 8,709.72

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Solution

The fourth proportional to 25,352.79, 38,019.47 and 8,709.72 is: 13,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.79 : 38,019.47 = 8,709.72 : x
  2. Step 2: Convert to fraction form
    25,352.79/38,019.47 = 8,709.72/x
  3. Step 3: Cross multiply
    25,352.79x = 38,019.47 × 8,709.72
  4. Step 4: Simplify right side
    25,352.79x = 331,138,894.70
  5. Step 5: Solve for x
    x = 331,138,894.70/25,352.79
  6. Step 6: Final answer
    x = 13,061.24

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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.