Home / 25,406.79-35,062.67-15,335.09

Finding the Fourth Proportional to 25,406.79, 35,062.67 and 15,335.09

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Solution

The fourth proportional to 25,406.79, 35,062.67 and 15,335.09 is: 21,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.79 : 35,062.67 = 15,335.09 : x
  2. Step 2: Convert to fraction form
    25,406.79/35,062.67 = 15,335.09/x
  3. Step 3: Cross multiply
    25,406.79x = 35,062.67 × 15,335.09
  4. Step 4: Simplify right side
    25,406.79x = 537,689,200.09
  5. Step 5: Solve for x
    x = 537,689,200.09/25,406.79
  6. Step 6: Final answer
    x = 21,163.21

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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.