Home / 27,187.47-37,519.29-15,251.67

Finding the Fourth Proportional to 27,187.47, 37,519.29 and 15,251.67

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Solution

The fourth proportional to 27,187.47, 37,519.29 and 15,251.67 is: 21,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.47 : 37,519.29 = 15,251.67 : x
  2. Step 2: Convert to fraction form
    27,187.47/37,519.29 = 15,251.67/x
  3. Step 3: Cross multiply
    27,187.47x = 37,519.29 × 15,251.67
  4. Step 4: Simplify right side
    27,187.47x = 572,231,829.71
  5. Step 5: Solve for x
    x = 572,231,829.71/27,187.47
  6. Step 6: Final answer
    x = 21,047.63

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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.