Home / 28,394.42-42,564.51-10,620.26

Finding the Fourth Proportional to 28,394.42, 42,564.51 and 10,620.26

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Solution

The fourth proportional to 28,394.42, 42,564.51 and 10,620.26 is: 15,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.42 : 42,564.51 = 10,620.26 : x
  2. Step 2: Convert to fraction form
    28,394.42/42,564.51 = 10,620.26/x
  3. Step 3: Cross multiply
    28,394.42x = 42,564.51 × 10,620.26
  4. Step 4: Simplify right side
    28,394.42x = 452,045,950.15
  5. Step 5: Solve for x
    x = 452,045,950.15/28,394.42
  6. Step 6: Final answer
    x = 15,920.24

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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.