Home / 28,957.04-43,407.81-9,222.80

Finding the Fourth Proportional to 28,957.04, 43,407.81 and 9,222.80

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Solution

The fourth proportional to 28,957.04, 43,407.81 and 9,222.80 is: 13,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.04 : 43,407.81 = 9,222.80 : x
  2. Step 2: Convert to fraction form
    28,957.04/43,407.81 = 9,222.80/x
  3. Step 3: Cross multiply
    28,957.04x = 43,407.81 × 9,222.80
  4. Step 4: Simplify right side
    28,957.04x = 400,341,658.59
  5. Step 5: Solve for x
    x = 400,341,658.59/28,957.04
  6. Step 6: Final answer
    x = 13,825.37

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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.