Home / 27,732.47-38,277.59-15,802.83

Finding the Fourth Proportional to 27,732.47, 38,277.59 and 15,802.83

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Solution

The fourth proportional to 27,732.47, 38,277.59 and 15,802.83 is: 21,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.47 : 38,277.59 = 15,802.83 : x
  2. Step 2: Convert to fraction form
    27,732.47/38,277.59 = 15,802.83/x
  3. Step 3: Cross multiply
    27,732.47x = 38,277.59 × 15,802.83
  4. Step 4: Simplify right side
    27,732.47x = 604,894,168.57
  5. Step 5: Solve for x
    x = 604,894,168.57/27,732.47
  6. Step 6: Final answer
    x = 21,811.77

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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.