Home / 28,048.68-38,706.66-15,473.16

Finding the Fourth Proportional to 28,048.68, 38,706.66 and 15,473.16

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Solution

The fourth proportional to 28,048.68, 38,706.66 and 15,473.16 is: 21,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.68 : 38,706.66 = 15,473.16 : x
  2. Step 2: Convert to fraction form
    28,048.68/38,706.66 = 15,473.16/x
  3. Step 3: Cross multiply
    28,048.68x = 38,706.66 × 15,473.16
  4. Step 4: Simplify right side
    28,048.68x = 598,914,343.25
  5. Step 5: Solve for x
    x = 598,914,343.25/28,048.68
  6. Step 6: Final answer
    x = 21,352.67

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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.