Home / 28,494.84-39,315.09-19,544.55

Finding the Fourth Proportional to 28,494.84, 39,315.09 and 19,544.55

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Solution

The fourth proportional to 28,494.84, 39,315.09 and 19,544.55 is: 26,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.84 : 39,315.09 = 19,544.55 : x
  2. Step 2: Convert to fraction form
    28,494.84/39,315.09 = 19,544.55/x
  3. Step 3: Cross multiply
    28,494.84x = 39,315.09 × 19,544.55
  4. Step 4: Simplify right side
    28,494.84x = 768,395,742.26
  5. Step 5: Solve for x
    x = 768,395,742.26/28,494.84
  6. Step 6: Final answer
    x = 26,966.14

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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.