Home / 28,964.17-39,977.31-18,875.08

Finding the Fourth Proportional to 28,964.17, 39,977.31 and 18,875.08

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Solution

The fourth proportional to 28,964.17, 39,977.31 and 18,875.08 is: 26,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.17 : 39,977.31 = 18,875.08 : x
  2. Step 2: Convert to fraction form
    28,964.17/39,977.31 = 18,875.08/x
  3. Step 3: Cross multiply
    28,964.17x = 39,977.31 × 18,875.08
  4. Step 4: Simplify right side
    28,964.17x = 754,574,924.43
  5. Step 5: Solve for x
    x = 754,574,924.43/28,964.17
  6. Step 6: Final answer
    x = 26,052.01

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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.