Home / 27,649.92-38,156.80-15,074.68

Finding the Fourth Proportional to 27,649.92, 38,156.80 and 15,074.68

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Solution

The fourth proportional to 27,649.92, 38,156.80 and 15,074.68 is: 20,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.92 : 38,156.80 = 15,074.68 : x
  2. Step 2: Convert to fraction form
    27,649.92/38,156.80 = 15,074.68/x
  3. Step 3: Cross multiply
    27,649.92x = 38,156.80 × 15,074.68
  4. Step 4: Simplify right side
    27,649.92x = 575,201,549.82
  5. Step 5: Solve for x
    x = 575,201,549.82/27,649.92
  6. Step 6: Final answer
    x = 20,803.01

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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.