Home / 27,803.46-38,368.80-15,056.67

Finding the Fourth Proportional to 27,803.46, 38,368.80 and 15,056.67

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Solution

The fourth proportional to 27,803.46, 38,368.80 and 15,056.67 is: 20,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.46 : 38,368.80 = 15,056.67 : x
  2. Step 2: Convert to fraction form
    27,803.46/38,368.80 = 15,056.67/x
  3. Step 3: Cross multiply
    27,803.46x = 38,368.80 × 15,056.67
  4. Step 4: Simplify right side
    27,803.46x = 577,706,359.90
  5. Step 5: Solve for x
    x = 577,706,359.90/27,803.46
  6. Step 6: Final answer
    x = 20,778.22

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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.