Home / 28,647.23-42,913.31-14,606.69

Finding the Fourth Proportional to 28,647.23, 42,913.31 and 14,606.69

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Solution

The fourth proportional to 28,647.23, 42,913.31 and 14,606.69 is: 21,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.23 : 42,913.31 = 14,606.69 : x
  2. Step 2: Convert to fraction form
    28,647.23/42,913.31 = 14,606.69/x
  3. Step 3: Cross multiply
    28,647.23x = 42,913.31 × 14,606.69
  4. Step 4: Simplify right side
    28,647.23x = 626,821,128.44
  5. Step 5: Solve for x
    x = 626,821,128.44/28,647.23
  6. Step 6: Final answer
    x = 21,880.69

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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.