Home / 28,329.64-42,499.32-8,610.19

Finding the Fourth Proportional to 28,329.64, 42,499.32 and 8,610.19

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Solution

The fourth proportional to 28,329.64, 42,499.32 and 8,610.19 is: 12,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.64 : 42,499.32 = 8,610.19 : x
  2. Step 2: Convert to fraction form
    28,329.64/42,499.32 = 8,610.19/x
  3. Step 3: Cross multiply
    28,329.64x = 42,499.32 × 8,610.19
  4. Step 4: Simplify right side
    28,329.64x = 365,927,220.07
  5. Step 5: Solve for x
    x = 365,927,220.07/28,329.64
  6. Step 6: Final answer
    x = 12,916.76

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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.