Home / 27,330.89-37,715.95-15,393.52

Finding the Fourth Proportional to 27,330.89, 37,715.95 and 15,393.52

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Solution

The fourth proportional to 27,330.89, 37,715.95 and 15,393.52 is: 21,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.89 : 37,715.95 = 15,393.52 : x
  2. Step 2: Convert to fraction form
    27,330.89/37,715.95 = 15,393.52/x
  3. Step 3: Cross multiply
    27,330.89x = 37,715.95 × 15,393.52
  4. Step 4: Simplify right side
    27,330.89x = 580,581,097.87
  5. Step 5: Solve for x
    x = 580,581,097.87/27,330.89
  6. Step 6: Final answer
    x = 21,242.67

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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.