Home / 20,832.93-28,719.51-14,854.20

Finding the Fourth Proportional to 20,832.93, 28,719.51 and 14,854.20

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Solution

The fourth proportional to 20,832.93, 28,719.51 and 14,854.20 is: 20,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.93 : 28,719.51 = 14,854.20 : x
  2. Step 2: Convert to fraction form
    20,832.93/28,719.51 = 14,854.20/x
  3. Step 3: Cross multiply
    20,832.93x = 28,719.51 × 14,854.20
  4. Step 4: Simplify right side
    20,832.93x = 426,605,345.44
  5. Step 5: Solve for x
    x = 426,605,345.44/20,832.93
  6. Step 6: Final answer
    x = 20,477.45

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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.