Home / 28,376.33-42,569.65-9,655.45

Finding the Fourth Proportional to 28,376.33, 42,569.65 and 9,655.45

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Solution

The fourth proportional to 28,376.33, 42,569.65 and 9,655.45 is: 14,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.33 : 42,569.65 = 9,655.45 : x
  2. Step 2: Convert to fraction form
    28,376.33/42,569.65 = 9,655.45/x
  3. Step 3: Cross multiply
    28,376.33x = 42,569.65 × 9,655.45
  4. Step 4: Simplify right side
    28,376.33x = 411,029,272.19
  5. Step 5: Solve for x
    x = 411,029,272.19/28,376.33
  6. Step 6: Final answer
    x = 14,484.94

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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.