Home / 27,710.90-38,241.27-15,775.01

Finding the Fourth Proportional to 27,710.90, 38,241.27 and 15,775.01

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Solution

The fourth proportional to 27,710.90, 38,241.27 and 15,775.01 is: 21,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.90 : 38,241.27 = 15,775.01 : x
  2. Step 2: Convert to fraction form
    27,710.90/38,241.27 = 15,775.01/x
  3. Step 3: Cross multiply
    27,710.90x = 38,241.27 × 15,775.01
  4. Step 4: Simplify right side
    27,710.90x = 603,256,416.66
  5. Step 5: Solve for x
    x = 603,256,416.66/27,710.90
  6. Step 6: Final answer
    x = 21,769.64

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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.