Home / 28,290.56-39,036.63-16,351.59

Finding the Fourth Proportional to 28,290.56, 39,036.63 and 16,351.59

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Solution

The fourth proportional to 28,290.56, 39,036.63 and 16,351.59 is: 22,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.56 : 39,036.63 = 16,351.59 : x
  2. Step 2: Convert to fraction form
    28,290.56/39,036.63 = 16,351.59/x
  3. Step 3: Cross multiply
    28,290.56x = 39,036.63 × 16,351.59
  4. Step 4: Simplify right side
    28,290.56x = 638,310,968.74
  5. Step 5: Solve for x
    x = 638,310,968.74/28,290.56
  6. Step 6: Final answer
    x = 22,562.69

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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.