Home / 27,823.83-38,396.67-15,077.07

Finding the Fourth Proportional to 27,823.83, 38,396.67 and 15,077.07

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Solution

The fourth proportional to 27,823.83, 38,396.67 and 15,077.07 is: 20,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.83 : 38,396.67 = 15,077.07 : x
  2. Step 2: Convert to fraction form
    27,823.83/38,396.67 = 15,077.07/x
  3. Step 3: Cross multiply
    27,823.83x = 38,396.67 × 15,077.07
  4. Step 4: Simplify right side
    27,823.83x = 578,909,281.36
  5. Step 5: Solve for x
    x = 578,909,281.36/27,823.83
  6. Step 6: Final answer
    x = 20,806.24

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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.