Home / 25,278.42-37,886.88-17,885.01

Finding the Fourth Proportional to 25,278.42, 37,886.88 and 17,885.01

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Solution

The fourth proportional to 25,278.42, 37,886.88 and 17,885.01 is: 26,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.42 : 37,886.88 = 17,885.01 : x
  2. Step 2: Convert to fraction form
    25,278.42/37,886.88 = 17,885.01/x
  3. Step 3: Cross multiply
    25,278.42x = 37,886.88 × 17,885.01
  4. Step 4: Simplify right side
    25,278.42x = 677,607,227.67
  5. Step 5: Solve for x
    x = 677,607,227.67/25,278.42
  6. Step 6: Final answer
    x = 26,805.76

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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.