Home / 28,592.66-42,903.81-19,111.61

Finding the Fourth Proportional to 28,592.66, 42,903.81 and 19,111.61

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Solution

The fourth proportional to 28,592.66, 42,903.81 and 19,111.61 is: 28,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.66 : 42,903.81 = 19,111.61 : x
  2. Step 2: Convert to fraction form
    28,592.66/42,903.81 = 19,111.61/x
  3. Step 3: Cross multiply
    28,592.66x = 42,903.81 × 19,111.61
  4. Step 4: Simplify right side
    28,592.66x = 819,960,991.49
  5. Step 5: Solve for x
    x = 819,960,991.49/28,592.66
  6. Step 6: Final answer
    x = 28,677.32

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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.