Home / 27,501.72-37,953.27-15,564.79

Finding the Fourth Proportional to 27,501.72, 37,953.27 and 15,564.79

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Solution

The fourth proportional to 27,501.72, 37,953.27 and 15,564.79 is: 21,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,501.72 : 37,953.27 = 15,564.79 : x
  2. Step 2: Convert to fraction form
    27,501.72/37,953.27 = 15,564.79/x
  3. Step 3: Cross multiply
    27,501.72x = 37,953.27 × 15,564.79
  4. Step 4: Simplify right side
    27,501.72x = 590,734,724.80
  5. Step 5: Solve for x
    x = 590,734,724.80/27,501.72
  6. Step 6: Final answer
    x = 21,479.92

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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.