Home / 28,014.03-38,659.37-15,267.22

Finding the Fourth Proportional to 28,014.03, 38,659.37 and 15,267.22

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Solution

The fourth proportional to 28,014.03, 38,659.37 and 15,267.22 is: 21,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.03 : 38,659.37 = 15,267.22 : x
  2. Step 2: Convert to fraction form
    28,014.03/38,659.37 = 15,267.22/x
  3. Step 3: Cross multiply
    28,014.03x = 38,659.37 × 15,267.22
  4. Step 4: Simplify right side
    28,014.03x = 590,221,010.20
  5. Step 5: Solve for x
    x = 590,221,010.20/28,014.03
  6. Step 6: Final answer
    x = 21,068.76

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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.