Home / 27,924.84-38,536.65-15,987.87

Finding the Fourth Proportional to 27,924.84, 38,536.65 and 15,987.87

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Solution

The fourth proportional to 27,924.84, 38,536.65 and 15,987.87 is: 22,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.84 : 38,536.65 = 15,987.87 : x
  2. Step 2: Convert to fraction form
    27,924.84/38,536.65 = 15,987.87/x
  3. Step 3: Cross multiply
    27,924.84x = 38,536.65 × 15,987.87
  4. Step 4: Simplify right side
    27,924.84x = 616,118,950.44
  5. Step 5: Solve for x
    x = 616,118,950.44/27,924.84
  6. Step 6: Final answer
    x = 22,063.47

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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.