Home / 28,010.96-42,004.20-14,860.40

Finding the Fourth Proportional to 28,010.96, 42,004.20 and 14,860.40

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Solution

The fourth proportional to 28,010.96, 42,004.20 and 14,860.40 is: 22,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.96 : 42,004.20 = 14,860.40 : x
  2. Step 2: Convert to fraction form
    28,010.96/42,004.20 = 14,860.40/x
  3. Step 3: Cross multiply
    28,010.96x = 42,004.20 × 14,860.40
  4. Step 4: Simplify right side
    28,010.96x = 624,199,213.68
  5. Step 5: Solve for x
    x = 624,199,213.68/28,010.96
  6. Step 6: Final answer
    x = 22,284.11

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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.