Home / 25,406.66-35,043.18-15,851.36

Finding the Fourth Proportional to 25,406.66, 35,043.18 and 15,851.36

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Solution

The fourth proportional to 25,406.66, 35,043.18 and 15,851.36 is: 21,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.66 : 35,043.18 = 15,851.36 : x
  2. Step 2: Convert to fraction form
    25,406.66/35,043.18 = 15,851.36/x
  3. Step 3: Cross multiply
    25,406.66x = 35,043.18 × 15,851.36
  4. Step 4: Simplify right side
    25,406.66x = 555,482,061.72
  5. Step 5: Solve for x
    x = 555,482,061.72/25,406.66
  6. Step 6: Final answer
    x = 21,863.64

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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.