Home / 28,963.34-39,969.72-17,026.88

Finding the Fourth Proportional to 28,963.34, 39,969.72 and 17,026.88

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Solution

The fourth proportional to 28,963.34, 39,969.72 and 17,026.88 is: 23,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.34 : 39,969.72 = 17,026.88 : x
  2. Step 2: Convert to fraction form
    28,963.34/39,969.72 = 17,026.88/x
  3. Step 3: Cross multiply
    28,963.34x = 39,969.72 × 17,026.88
  4. Step 4: Simplify right side
    28,963.34x = 680,559,426.23
  5. Step 5: Solve for x
    x = 680,559,426.23/28,963.34
  6. Step 6: Final answer
    x = 23,497.27

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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.