Home / 28,597.22-39,466.56-15,853.52

Finding the Fourth Proportional to 28,597.22, 39,466.56 and 15,853.52

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Solution

The fourth proportional to 28,597.22, 39,466.56 and 15,853.52 is: 21,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.22 : 39,466.56 = 15,853.52 : x
  2. Step 2: Convert to fraction form
    28,597.22/39,466.56 = 15,853.52/x
  3. Step 3: Cross multiply
    28,597.22x = 39,466.56 × 15,853.52
  4. Step 4: Simplify right side
    28,597.22x = 625,683,898.29
  5. Step 5: Solve for x
    x = 625,683,898.29/28,597.22
  6. Step 6: Final answer
    x = 21,879.19

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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.