Home / 27,668.84-38,182.16-15,570.00

Finding the Fourth Proportional to 27,668.84, 38,182.16 and 15,570.00

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Solution

The fourth proportional to 27,668.84, 38,182.16 and 15,570.00 is: 21,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.84 : 38,182.16 = 15,570.00 : x
  2. Step 2: Convert to fraction form
    27,668.84/38,182.16 = 15,570.00/x
  3. Step 3: Cross multiply
    27,668.84x = 38,182.16 × 15,570.00
  4. Step 4: Simplify right side
    27,668.84x = 594,496,118.95
  5. Step 5: Solve for x
    x = 594,496,118.95/27,668.84
  6. Step 6: Final answer
    x = 21,486.12

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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.