Home / 28,875.94-43,306.26-11,345.92

Finding the Fourth Proportional to 28,875.94, 43,306.26 and 11,345.92

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Solution

The fourth proportional to 28,875.94, 43,306.26 and 11,345.92 is: 17,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.94 : 43,306.26 = 11,345.92 : x
  2. Step 2: Convert to fraction form
    28,875.94/43,306.26 = 11,345.92/x
  3. Step 3: Cross multiply
    28,875.94x = 43,306.26 × 11,345.92
  4. Step 4: Simplify right side
    28,875.94x = 491,349,361.46
  5. Step 5: Solve for x
    x = 491,349,361.46/28,875.94
  6. Step 6: Final answer
    x = 17,015.87

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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.