Home / 27,005.49-40,437.23-21,712.41

Finding the Fourth Proportional to 27,005.49, 40,437.23 and 21,712.41

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Solution

The fourth proportional to 27,005.49, 40,437.23 and 21,712.41 is: 32,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.49 : 40,437.23 = 21,712.41 : x
  2. Step 2: Convert to fraction form
    27,005.49/40,437.23 = 21,712.41/x
  3. Step 3: Cross multiply
    27,005.49x = 40,437.23 × 21,712.41
  4. Step 4: Simplify right side
    27,005.49x = 877,989,608.46
  5. Step 5: Solve for x
    x = 877,989,608.46/27,005.49
  6. Step 6: Final answer
    x = 32,511.52

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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.