Home / 17,256.12-23,758.89-15,679.50

Finding the Fourth Proportional to 17,256.12, 23,758.89 and 15,679.50

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Solution

The fourth proportional to 17,256.12, 23,758.89 and 15,679.50 is: 21,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.12 : 23,758.89 = 15,679.50 : x
  2. Step 2: Convert to fraction form
    17,256.12/23,758.89 = 15,679.50/x
  3. Step 3: Cross multiply
    17,256.12x = 23,758.89 × 15,679.50
  4. Step 4: Simplify right side
    17,256.12x = 372,527,515.76
  5. Step 5: Solve for x
    x = 372,527,515.76/17,256.12
  6. Step 6: Final answer
    x = 21,588.14

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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.