Home / 27,834.84-38,400.48-15,895.44

Finding the Fourth Proportional to 27,834.84, 38,400.48 and 15,895.44

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Solution

The fourth proportional to 27,834.84, 38,400.48 and 15,895.44 is: 21,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.84 : 38,400.48 = 15,895.44 : x
  2. Step 2: Convert to fraction form
    27,834.84/38,400.48 = 15,895.44/x
  3. Step 3: Cross multiply
    27,834.84x = 38,400.48 × 15,895.44
  4. Step 4: Simplify right side
    27,834.84x = 610,392,525.81
  5. Step 5: Solve for x
    x = 610,392,525.81/27,834.84
  6. Step 6: Final answer
    x = 21,929.08

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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.