Home / 28,447.40-42,667.91-10,904.93

Finding the Fourth Proportional to 28,447.40, 42,667.91 and 10,904.93

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Solution

The fourth proportional to 28,447.40, 42,667.91 and 10,904.93 is: 16,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.40 : 42,667.91 = 10,904.93 : x
  2. Step 2: Convert to fraction form
    28,447.40/42,667.91 = 10,904.93/x
  3. Step 3: Cross multiply
    28,447.40x = 42,667.91 × 10,904.93
  4. Step 4: Simplify right side
    28,447.40x = 465,290,566.17
  5. Step 5: Solve for x
    x = 465,290,566.17/28,447.40
  6. Step 6: Final answer
    x = 16,356.17

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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.