Home / 25,361.61-38,043.37-8,721.57

Finding the Fourth Proportional to 25,361.61, 38,043.37 and 8,721.57

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Solution

The fourth proportional to 25,361.61, 38,043.37 and 8,721.57 is: 13,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.61 : 38,043.37 = 8,721.57 : x
  2. Step 2: Convert to fraction form
    25,361.61/38,043.37 = 8,721.57/x
  3. Step 3: Cross multiply
    25,361.61x = 38,043.37 × 8,721.57
  4. Step 4: Simplify right side
    25,361.61x = 331,798,068.06
  5. Step 5: Solve for x
    x = 331,798,068.06/25,361.61
  6. Step 6: Final answer
    x = 13,082.69

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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.