Home / 28,608.94-39,478.16-16,031.26

Finding the Fourth Proportional to 28,608.94, 39,478.16 and 16,031.26

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Solution

The fourth proportional to 28,608.94, 39,478.16 and 16,031.26 is: 22,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.94 : 39,478.16 = 16,031.26 : x
  2. Step 2: Convert to fraction form
    28,608.94/39,478.16 = 16,031.26/x
  3. Step 3: Cross multiply
    28,608.94x = 39,478.16 × 16,031.26
  4. Step 4: Simplify right side
    28,608.94x = 632,884,647.28
  5. Step 5: Solve for x
    x = 632,884,647.28/28,608.94
  6. Step 6: Final answer
    x = 22,121.92

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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.