Home / 28,711.69-43,076.27-14,681.57

Finding the Fourth Proportional to 28,711.69, 43,076.27 and 14,681.57

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Solution

The fourth proportional to 28,711.69, 43,076.27 and 14,681.57 is: 22,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.69 : 43,076.27 = 14,681.57 : x
  2. Step 2: Convert to fraction form
    28,711.69/43,076.27 = 14,681.57/x
  3. Step 3: Cross multiply
    28,711.69x = 43,076.27 × 14,681.57
  4. Step 4: Simplify right side
    28,711.69x = 632,427,012.08
  5. Step 5: Solve for x
    x = 632,427,012.08/28,711.69
  6. Step 6: Final answer
    x = 22,026.81

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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.