Home / 28,984.60-43,412.10-22,389.40

Finding the Fourth Proportional to 28,984.60, 43,412.10 and 22,389.40

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Solution

The fourth proportional to 28,984.60, 43,412.10 and 22,389.40 is: 33,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.60 : 43,412.10 = 22,389.40 : x
  2. Step 2: Convert to fraction form
    28,984.60/43,412.10 = 22,389.40/x
  3. Step 3: Cross multiply
    28,984.60x = 43,412.10 × 22,389.40
  4. Step 4: Simplify right side
    28,984.60x = 971,970,871.74
  5. Step 5: Solve for x
    x = 971,970,871.74/28,984.60
  6. Step 6: Final answer
    x = 33,534.04

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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.