Home / 28,351.07-39,126.08-16,253.55

Finding the Fourth Proportional to 28,351.07, 39,126.08 and 16,253.55

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Solution

The fourth proportional to 28,351.07, 39,126.08 and 16,253.55 is: 22,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.07 : 39,126.08 = 16,253.55 : x
  2. Step 2: Convert to fraction form
    28,351.07/39,126.08 = 16,253.55/x
  3. Step 3: Cross multiply
    28,351.07x = 39,126.08 × 16,253.55
  4. Step 4: Simplify right side
    28,351.07x = 635,937,616.32
  5. Step 5: Solve for x
    x = 635,937,616.32/28,351.07
  6. Step 6: Final answer
    x = 22,430.82

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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.