Home / 27,419.40-37,838.46-15,483.24

Finding the Fourth Proportional to 27,419.40, 37,838.46 and 15,483.24

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Solution

The fourth proportional to 27,419.40, 37,838.46 and 15,483.24 is: 21,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.40 : 37,838.46 = 15,483.24 : x
  2. Step 2: Convert to fraction form
    27,419.40/37,838.46 = 15,483.24/x
  3. Step 3: Cross multiply
    27,419.40x = 37,838.46 × 15,483.24
  4. Step 4: Simplify right side
    27,419.40x = 585,861,957.41
  5. Step 5: Solve for x
    x = 585,861,957.41/27,419.40
  6. Step 6: Final answer
    x = 21,366.70

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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.