Home / 28,445.70-42,669.54-10,674.56

Finding the Fourth Proportional to 28,445.70, 42,669.54 and 10,674.56

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Solution

The fourth proportional to 28,445.70, 42,669.54 and 10,674.56 is: 16,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.70 : 42,669.54 = 10,674.56 : x
  2. Step 2: Convert to fraction form
    28,445.70/42,669.54 = 10,674.56/x
  3. Step 3: Cross multiply
    28,445.70x = 42,669.54 × 10,674.56
  4. Step 4: Simplify right side
    28,445.70x = 455,478,351.55
  5. Step 5: Solve for x
    x = 455,478,351.55/28,445.70
  6. Step 6: Final answer
    x = 16,012.20

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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.