Home / 27,762.06-38,311.65-15,015.25

Finding the Fourth Proportional to 27,762.06, 38,311.65 and 15,015.25

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Solution

The fourth proportional to 27,762.06, 38,311.65 and 15,015.25 is: 20,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.06 : 38,311.65 = 15,015.25 : x
  2. Step 2: Convert to fraction form
    27,762.06/38,311.65 = 15,015.25/x
  3. Step 3: Cross multiply
    27,762.06x = 38,311.65 × 15,015.25
  4. Step 4: Simplify right side
    27,762.06x = 575,258,869.35
  5. Step 5: Solve for x
    x = 575,258,869.35/27,762.06
  6. Step 6: Final answer
    x = 20,721.04

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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.