Home / 28,473.59-42,710.54-18,674.92

Finding the Fourth Proportional to 28,473.59, 42,710.54 and 18,674.92

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Solution

The fourth proportional to 28,473.59, 42,710.54 and 18,674.92 is: 28,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.59 : 42,710.54 = 18,674.92 : x
  2. Step 2: Convert to fraction form
    28,473.59/42,710.54 = 18,674.92/x
  3. Step 3: Cross multiply
    28,473.59x = 42,710.54 × 18,674.92
  4. Step 4: Simplify right side
    28,473.59x = 797,615,917.66
  5. Step 5: Solve for x
    x = 797,615,917.66/28,473.59
  6. Step 6: Final answer
    x = 28,012.48

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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.