Home / 28,089.77-38,753.80-16,602.27

Finding the Fourth Proportional to 28,089.77, 38,753.80 and 16,602.27

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Solution

The fourth proportional to 28,089.77, 38,753.80 and 16,602.27 is: 22,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.77 : 38,753.80 = 16,602.27 : x
  2. Step 2: Convert to fraction form
    28,089.77/38,753.80 = 16,602.27/x
  3. Step 3: Cross multiply
    28,089.77x = 38,753.80 × 16,602.27
  4. Step 4: Simplify right side
    28,089.77x = 643,400,957.68
  5. Step 5: Solve for x
    x = 643,400,957.68/28,089.77
  6. Step 6: Final answer
    x = 22,905.17

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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.