Home / 27,283.79-37,651.25-15,347.13

Finding the Fourth Proportional to 27,283.79, 37,651.25 and 15,347.13

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Solution

The fourth proportional to 27,283.79, 37,651.25 and 15,347.13 is: 21,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,283.79 : 37,651.25 = 15,347.13 : x
  2. Step 2: Convert to fraction form
    27,283.79/37,651.25 = 15,347.13/x
  3. Step 3: Cross multiply
    27,283.79x = 37,651.25 × 15,347.13
  4. Step 4: Simplify right side
    27,283.79x = 577,838,666.78
  5. Step 5: Solve for x
    x = 577,838,666.78/27,283.79
  6. Step 6: Final answer
    x = 21,178.83

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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.