Home / 28,240.16-42,302.79-22,663.31

Finding the Fourth Proportional to 28,240.16, 42,302.79 and 22,663.31

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Solution

The fourth proportional to 28,240.16, 42,302.79 and 22,663.31 is: 33,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.16 : 42,302.79 = 22,663.31 : x
  2. Step 2: Convert to fraction form
    28,240.16/42,302.79 = 22,663.31/x
  3. Step 3: Cross multiply
    28,240.16x = 42,302.79 × 22,663.31
  4. Step 4: Simplify right side
    28,240.16x = 958,721,032.12
  5. Step 5: Solve for x
    x = 958,721,032.12/28,240.16
  6. Step 6: Final answer
    x = 33,948.86

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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.