Home / 27,832.22-38,445.27-20,746.34

Finding the Fourth Proportional to 27,832.22, 38,445.27 and 20,746.34

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Solution

The fourth proportional to 27,832.22, 38,445.27 and 20,746.34 is: 28,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.22 : 38,445.27 = 20,746.34 : x
  2. Step 2: Convert to fraction form
    27,832.22/38,445.27 = 20,746.34/x
  3. Step 3: Cross multiply
    27,832.22x = 38,445.27 × 20,746.34
  4. Step 4: Simplify right side
    27,832.22x = 797,598,642.81
  5. Step 5: Solve for x
    x = 797,598,642.81/27,832.22
  6. Step 6: Final answer
    x = 28,657.38

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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.