Home / 27,307.66-37,688.19-15,373.34

Finding the Fourth Proportional to 27,307.66, 37,688.19 and 15,373.34

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Solution

The fourth proportional to 27,307.66, 37,688.19 and 15,373.34 is: 21,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.66 : 37,688.19 = 15,373.34 : x
  2. Step 2: Convert to fraction form
    27,307.66/37,688.19 = 15,373.34/x
  3. Step 3: Cross multiply
    27,307.66x = 37,688.19 × 15,373.34
  4. Step 4: Simplify right side
    27,307.66x = 579,393,358.85
  5. Step 5: Solve for x
    x = 579,393,358.85/27,307.66
  6. Step 6: Final answer
    x = 21,217.25

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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.