Home / 25,523.10-35,222.66-15,453.40

Finding the Fourth Proportional to 25,523.10, 35,222.66 and 15,453.40

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Solution

The fourth proportional to 25,523.10, 35,222.66 and 15,453.40 is: 21,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,523.10 : 35,222.66 = 15,453.40 : x
  2. Step 2: Convert to fraction form
    25,523.10/35,222.66 = 15,453.40/x
  3. Step 3: Cross multiply
    25,523.10x = 35,222.66 × 15,453.40
  4. Step 4: Simplify right side
    25,523.10x = 544,309,854.04
  5. Step 5: Solve for x
    x = 544,309,854.04/25,523.10
  6. Step 6: Final answer
    x = 21,326.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.