Home / 25,699.96-35,465.22-15,628.66

Finding the Fourth Proportional to 25,699.96, 35,465.22 and 15,628.66

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Solution

The fourth proportional to 25,699.96, 35,465.22 and 15,628.66 is: 21,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.96 : 35,465.22 = 15,628.66 : x
  2. Step 2: Convert to fraction form
    25,699.96/35,465.22 = 15,628.66/x
  3. Step 3: Cross multiply
    25,699.96x = 35,465.22 × 15,628.66
  4. Step 4: Simplify right side
    25,699.96x = 554,273,865.21
  5. Step 5: Solve for x
    x = 554,273,865.21/25,699.96
  6. Step 6: Final answer
    x = 21,567.11

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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.