Home / 27,693.93-38,267.58-19,722.31

Finding the Fourth Proportional to 27,693.93, 38,267.58 and 19,722.31

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Solution

The fourth proportional to 27,693.93, 38,267.58 and 19,722.31 is: 27,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.93 : 38,267.58 = 19,722.31 : x
  2. Step 2: Convert to fraction form
    27,693.93/38,267.58 = 19,722.31/x
  3. Step 3: Cross multiply
    27,693.93x = 38,267.58 × 19,722.31
  4. Step 4: Simplify right side
    27,693.93x = 754,725,075.71
  5. Step 5: Solve for x
    x = 754,725,075.71/27,693.93
  6. Step 6: Final answer
    x = 27,252.36

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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.