Home / 27,649.04-38,155.08-15,073.52

Finding the Fourth Proportional to 27,649.04, 38,155.08 and 15,073.52

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Solution

The fourth proportional to 27,649.04, 38,155.08 and 15,073.52 is: 20,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.04 : 38,155.08 = 15,073.52 : x
  2. Step 2: Convert to fraction form
    27,649.04/38,155.08 = 15,073.52/x
  3. Step 3: Cross multiply
    27,649.04x = 38,155.08 × 15,073.52
  4. Step 4: Simplify right side
    27,649.04x = 575,131,361.48
  5. Step 5: Solve for x
    x = 575,131,361.48/27,649.04
  6. Step 6: Final answer
    x = 20,801.13

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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.