Home / 27,330.64-37,715.51-15,393.71

Finding the Fourth Proportional to 27,330.64, 37,715.51 and 15,393.71

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Solution

The fourth proportional to 27,330.64, 37,715.51 and 15,393.71 is: 21,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.64 : 37,715.51 = 15,393.71 : x
  2. Step 2: Convert to fraction form
    27,330.64/37,715.51 = 15,393.71/x
  3. Step 3: Cross multiply
    27,330.64x = 37,715.51 × 15,393.71
  4. Step 4: Simplify right side
    27,330.64x = 580,581,756.22
  5. Step 5: Solve for x
    x = 580,581,756.22/27,330.64
  6. Step 6: Final answer
    x = 21,242.89

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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.