Home / 28,080.34-38,750.27-15,333.03

Finding the Fourth Proportional to 28,080.34, 38,750.27 and 15,333.03

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Solution

The fourth proportional to 28,080.34, 38,750.27 and 15,333.03 is: 21,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.34 : 38,750.27 = 15,333.03 : x
  2. Step 2: Convert to fraction form
    28,080.34/38,750.27 = 15,333.03/x
  3. Step 3: Cross multiply
    28,080.34x = 38,750.27 × 15,333.03
  4. Step 4: Simplify right side
    28,080.34x = 594,158,975.75
  5. Step 5: Solve for x
    x = 594,158,975.75/28,080.34
  6. Step 6: Final answer
    x = 21,159.25

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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.