Home / 28,359.51-42,464.94-19,994.23

Finding the Fourth Proportional to 28,359.51, 42,464.94 and 19,994.23

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Solution

The fourth proportional to 28,359.51, 42,464.94 and 19,994.23 is: 29,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.51 : 42,464.94 = 19,994.23 : x
  2. Step 2: Convert to fraction form
    28,359.51/42,464.94 = 19,994.23/x
  3. Step 3: Cross multiply
    28,359.51x = 42,464.94 × 19,994.23
  4. Step 4: Simplify right side
    28,359.51x = 849,053,777.30
  5. Step 5: Solve for x
    x = 849,053,777.30/28,359.51
  6. Step 6: Final answer
    x = 29,938.94

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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.