Home / 28,972.82-43,417.31-14,165.01

Finding the Fourth Proportional to 28,972.82, 43,417.31 and 14,165.01

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Solution

The fourth proportional to 28,972.82, 43,417.31 and 14,165.01 is: 21,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.82 : 43,417.31 = 14,165.01 : x
  2. Step 2: Convert to fraction form
    28,972.82/43,417.31 = 14,165.01/x
  3. Step 3: Cross multiply
    28,972.82x = 43,417.31 × 14,165.01
  4. Step 4: Simplify right side
    28,972.82x = 615,006,559.50
  5. Step 5: Solve for x
    x = 615,006,559.50/28,972.82
  6. Step 6: Final answer
    x = 21,227.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.