Home / 28,341.97-42,497.52-18,345.31

Finding the Fourth Proportional to 28,341.97, 42,497.52 and 18,345.31

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Solution

The fourth proportional to 28,341.97, 42,497.52 and 18,345.31 is: 27,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.97 : 42,497.52 = 18,345.31 : x
  2. Step 2: Convert to fraction form
    28,341.97/42,497.52 = 18,345.31/x
  3. Step 3: Cross multiply
    28,341.97x = 42,497.52 × 18,345.31
  4. Step 4: Simplify right side
    28,341.97x = 779,630,178.63
  5. Step 5: Solve for x
    x = 779,630,178.63/28,341.97
  6. Step 6: Final answer
    x = 27,507.97

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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.