Home / 27,814.50-38,384.01-15,239.54

Finding the Fourth Proportional to 27,814.50, 38,384.01 and 15,239.54

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Solution

The fourth proportional to 27,814.50, 38,384.01 and 15,239.54 is: 21,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.50 : 38,384.01 = 15,239.54 : x
  2. Step 2: Convert to fraction form
    27,814.50/38,384.01 = 15,239.54/x
  3. Step 3: Cross multiply
    27,814.50x = 38,384.01 × 15,239.54
  4. Step 4: Simplify right side
    27,814.50x = 584,954,655.76
  5. Step 5: Solve for x
    x = 584,954,655.76/27,814.50
  6. Step 6: Final answer
    x = 21,030.57

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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.