Home / 27,758.06-38,302.56-17,007.74

Finding the Fourth Proportional to 27,758.06, 38,302.56 and 17,007.74

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Solution

The fourth proportional to 27,758.06, 38,302.56 and 17,007.74 is: 23,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.06 : 38,302.56 = 17,007.74 : x
  2. Step 2: Convert to fraction form
    27,758.06/38,302.56 = 17,007.74/x
  3. Step 3: Cross multiply
    27,758.06x = 38,302.56 × 17,007.74
  4. Step 4: Simplify right side
    27,758.06x = 651,439,981.81
  5. Step 5: Solve for x
    x = 651,439,981.81/27,758.06
  6. Step 6: Final answer
    x = 23,468.50

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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.