Home / 27,412.78-37,827.52-15,477.30

Finding the Fourth Proportional to 27,412.78, 37,827.52 and 15,477.30

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Solution

The fourth proportional to 27,412.78, 37,827.52 and 15,477.30 is: 21,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.78 : 37,827.52 = 15,477.30 : x
  2. Step 2: Convert to fraction form
    27,412.78/37,827.52 = 15,477.30/x
  3. Step 3: Cross multiply
    27,412.78x = 37,827.52 × 15,477.30
  4. Step 4: Simplify right side
    27,412.78x = 585,467,875.30
  5. Step 5: Solve for x
    x = 585,467,875.30/27,412.78
  6. Step 6: Final answer
    x = 21,357.48

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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.