Home / 27,649.26-38,156.40-15,074.01

Finding the Fourth Proportional to 27,649.26, 38,156.40 and 15,074.01

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Solution

The fourth proportional to 27,649.26, 38,156.40 and 15,074.01 is: 20,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.26 : 38,156.40 = 15,074.01 : x
  2. Step 2: Convert to fraction form
    27,649.26/38,156.40 = 15,074.01/x
  3. Step 3: Cross multiply
    27,649.26x = 38,156.40 × 15,074.01
  4. Step 4: Simplify right side
    27,649.26x = 575,169,955.16
  5. Step 5: Solve for x
    x = 575,169,955.16/27,649.26
  6. Step 6: Final answer
    x = 20,802.36

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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.