Home / 28,968.52-39,962.64-17,031.28

Finding the Fourth Proportional to 28,968.52, 39,962.64 and 17,031.28

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Solution

The fourth proportional to 28,968.52, 39,962.64 and 17,031.28 is: 23,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.52 : 39,962.64 = 17,031.28 : x
  2. Step 2: Convert to fraction form
    28,968.52/39,962.64 = 17,031.28/x
  3. Step 3: Cross multiply
    28,968.52x = 39,962.64 × 17,031.28
  4. Step 4: Simplify right side
    28,968.52x = 680,614,911.38
  5. Step 5: Solve for x
    x = 680,614,911.38/28,968.52
  6. Step 6: Final answer
    x = 23,494.98

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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.