Home / 28,653.76-39,541.54-15,906.19

Finding the Fourth Proportional to 28,653.76, 39,541.54 and 15,906.19

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Solution

The fourth proportional to 28,653.76, 39,541.54 and 15,906.19 is: 21,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.76 : 39,541.54 = 15,906.19 : x
  2. Step 2: Convert to fraction form
    28,653.76/39,541.54 = 15,906.19/x
  3. Step 3: Cross multiply
    28,653.76x = 39,541.54 × 15,906.19
  4. Step 4: Simplify right side
    28,653.76x = 628,955,248.13
  5. Step 5: Solve for x
    x = 628,955,248.13/28,653.76
  6. Step 6: Final answer
    x = 21,950.18

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Double scale
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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.