Home / 27,698.09-38,224.71-15,762.51

Finding the Fourth Proportional to 27,698.09, 38,224.71 and 15,762.51

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Solution

The fourth proportional to 27,698.09, 38,224.71 and 15,762.51 is: 21,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.09 : 38,224.71 = 15,762.51 : x
  2. Step 2: Convert to fraction form
    27,698.09/38,224.71 = 15,762.51/x
  3. Step 3: Cross multiply
    27,698.09x = 38,224.71 × 15,762.51
  4. Step 4: Simplify right side
    27,698.09x = 602,517,373.62
  5. Step 5: Solve for x
    x = 602,517,373.62/27,698.09
  6. Step 6: Final answer
    x = 21,753.03

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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.