Home / 25,406.64-35,062.35-15,334.89

Finding the Fourth Proportional to 25,406.64, 35,062.35 and 15,334.89

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Solution

The fourth proportional to 25,406.64, 35,062.35 and 15,334.89 is: 21,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.64 : 35,062.35 = 15,334.89 : x
  2. Step 2: Convert to fraction form
    25,406.64/35,062.35 = 15,334.89/x
  3. Step 3: Cross multiply
    25,406.64x = 35,062.35 × 15,334.89
  4. Step 4: Simplify right side
    25,406.64x = 537,677,280.39
  5. Step 5: Solve for x
    x = 537,677,280.39/25,406.64
  6. Step 6: Final answer
    x = 21,162.86

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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.