Home / 28,080.07-38,750.25-15,333.19

Finding the Fourth Proportional to 28,080.07, 38,750.25 and 15,333.19

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Solution

The fourth proportional to 28,080.07, 38,750.25 and 15,333.19 is: 21,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.07 : 38,750.25 = 15,333.19 : x
  2. Step 2: Convert to fraction form
    28,080.07/38,750.25 = 15,333.19/x
  3. Step 3: Cross multiply
    28,080.07x = 38,750.25 × 15,333.19
  4. Step 4: Simplify right side
    28,080.07x = 594,164,945.80
  5. Step 5: Solve for x
    x = 594,164,945.80/28,080.07
  6. Step 6: Final answer
    x = 21,159.67

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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.