Home / 28,854.21-43,280.86-14,806.13

Finding the Fourth Proportional to 28,854.21, 43,280.86 and 14,806.13

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Solution

The fourth proportional to 28,854.21, 43,280.86 and 14,806.13 is: 22,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.21 : 43,280.86 = 14,806.13 : x
  2. Step 2: Convert to fraction form
    28,854.21/43,280.86 = 14,806.13/x
  3. Step 3: Cross multiply
    28,854.21x = 43,280.86 × 14,806.13
  4. Step 4: Simplify right side
    28,854.21x = 640,822,039.67
  5. Step 5: Solve for x
    x = 640,822,039.67/28,854.21
  6. Step 6: Final answer
    x = 22,208.96

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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.