Home / 28,824.75-39,810.96-19,376.91

Finding the Fourth Proportional to 28,824.75, 39,810.96 and 19,376.91

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Solution

The fourth proportional to 28,824.75, 39,810.96 and 19,376.91 is: 26,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.75 : 39,810.96 = 19,376.91 : x
  2. Step 2: Convert to fraction form
    28,824.75/39,810.96 = 19,376.91/x
  3. Step 3: Cross multiply
    28,824.75x = 39,810.96 × 19,376.91
  4. Step 4: Simplify right side
    28,824.75x = 771,413,388.93
  5. Step 5: Solve for x
    x = 771,413,388.93/28,824.75
  6. Step 6: Final answer
    x = 26,762.19

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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.