Home / 28,986.77-40,001.30-16,240.41

Finding the Fourth Proportional to 28,986.77, 40,001.30 and 16,240.41

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Solution

The fourth proportional to 28,986.77, 40,001.30 and 16,240.41 is: 22,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.77 : 40,001.30 = 16,240.41 : x
  2. Step 2: Convert to fraction form
    28,986.77/40,001.30 = 16,240.41/x
  3. Step 3: Cross multiply
    28,986.77x = 40,001.30 × 16,240.41
  4. Step 4: Simplify right side
    28,986.77x = 649,637,512.53
  5. Step 5: Solve for x
    x = 649,637,512.53/28,986.77
  6. Step 6: Final answer
    x = 22,411.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.