Home / 25,786.64-38,681.98-10,995.66

Finding the Fourth Proportional to 25,786.64, 38,681.98 and 10,995.66

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Solution

The fourth proportional to 25,786.64, 38,681.98 and 10,995.66 is: 16,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.64 : 38,681.98 = 10,995.66 : x
  2. Step 2: Convert to fraction form
    25,786.64/38,681.98 = 10,995.66/x
  3. Step 3: Cross multiply
    25,786.64x = 38,681.98 × 10,995.66
  4. Step 4: Simplify right side
    25,786.64x = 425,333,872.72
  5. Step 5: Solve for x
    x = 425,333,872.72/25,786.64
  6. Step 6: Final answer
    x = 16,494.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.