Home / 28,950.80-43,426.20-26,812.40

Finding the Fourth Proportional to 28,950.80, 43,426.20 and 26,812.40

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Solution

The fourth proportional to 28,950.80, 43,426.20 and 26,812.40 is: 40,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.80 : 43,426.20 = 26,812.40 : x
  2. Step 2: Convert to fraction form
    28,950.80/43,426.20 = 26,812.40/x
  3. Step 3: Cross multiply
    28,950.80x = 43,426.20 × 26,812.40
  4. Step 4: Simplify right side
    28,950.80x = 1,164,360,644.88
  5. Step 5: Solve for x
    x = 1,164,360,644.88/28,950.80
  6. Step 6: Final answer
    x = 40,218.60

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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.