Home / 28,426.50-42,583.86-26,808.12

Finding the Fourth Proportional to 28,426.50, 42,583.86 and 26,808.12

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Solution

The fourth proportional to 28,426.50, 42,583.86 and 26,808.12 is: 40,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.50 : 42,583.86 = 26,808.12 : x
  2. Step 2: Convert to fraction form
    28,426.50/42,583.86 = 26,808.12/x
  3. Step 3: Cross multiply
    28,426.50x = 42,583.86 × 26,808.12
  4. Step 4: Simplify right side
    28,426.50x = 1,141,593,228.94
  5. Step 5: Solve for x
    x = 1,141,593,228.94/28,426.50
  6. Step 6: Final answer
    x = 40,159.47

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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.