Home / 28,683.10-43,024.65-20,907.10

Finding the Fourth Proportional to 28,683.10, 43,024.65 and 20,907.10

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Solution

The fourth proportional to 28,683.10, 43,024.65 and 20,907.10 is: 31,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.10 : 43,024.65 = 20,907.10 : x
  2. Step 2: Convert to fraction form
    28,683.10/43,024.65 = 20,907.10/x
  3. Step 3: Cross multiply
    28,683.10x = 43,024.65 × 20,907.10
  4. Step 4: Simplify right side
    28,683.10x = 899,520,660.02
  5. Step 5: Solve for x
    x = 899,520,660.02/28,683.10
  6. Step 6: Final answer
    x = 31,360.65

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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.