Home / 27,828.74-38,409.45-25,587.06

Finding the Fourth Proportional to 27,828.74, 38,409.45 and 25,587.06

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Solution

The fourth proportional to 27,828.74, 38,409.45 and 25,587.06 is: 35,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.74 : 38,409.45 = 25,587.06 : x
  2. Step 2: Convert to fraction form
    27,828.74/38,409.45 = 25,587.06/x
  3. Step 3: Cross multiply
    27,828.74x = 38,409.45 × 25,587.06
  4. Step 4: Simplify right side
    27,828.74x = 982,784,901.72
  5. Step 5: Solve for x
    x = 982,784,901.72/27,828.74
  6. Step 6: Final answer
    x = 35,315.47

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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.