Home / 28,537.30-42,802.70-11,005.66

Finding the Fourth Proportional to 28,537.30, 42,802.70 and 11,005.66

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Solution

The fourth proportional to 28,537.30, 42,802.70 and 11,005.66 is: 16,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.30 : 42,802.70 = 11,005.66 : x
  2. Step 2: Convert to fraction form
    28,537.30/42,802.70 = 11,005.66/x
  3. Step 3: Cross multiply
    28,537.30x = 42,802.70 × 11,005.66
  4. Step 4: Simplify right side
    28,537.30x = 471,071,963.28
  5. Step 5: Solve for x
    x = 471,071,963.28/28,537.30
  6. Step 6: Final answer
    x = 16,507.24

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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.