Home / 27,419.28-37,838.61-15,483.39

Finding the Fourth Proportional to 27,419.28, 37,838.61 and 15,483.39

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Solution

The fourth proportional to 27,419.28, 37,838.61 and 15,483.39 is: 21,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.28 : 37,838.61 = 15,483.39 : x
  2. Step 2: Convert to fraction form
    27,419.28/37,838.61 = 15,483.39/x
  3. Step 3: Cross multiply
    27,419.28x = 37,838.61 × 15,483.39
  4. Step 4: Simplify right side
    27,419.28x = 585,869,955.69
  5. Step 5: Solve for x
    x = 585,869,955.69/27,419.28
  6. Step 6: Final answer
    x = 21,367.08

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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.