Home / 28,561.96-42,847.98-11,030.32

Finding the Fourth Proportional to 28,561.96, 42,847.98 and 11,030.32

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Solution

The fourth proportional to 28,561.96, 42,847.98 and 11,030.32 is: 16,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.96 : 42,847.98 = 11,030.32 : x
  2. Step 2: Convert to fraction form
    28,561.96/42,847.98 = 11,030.32/x
  3. Step 3: Cross multiply
    28,561.96x = 42,847.98 × 11,030.32
  4. Step 4: Simplify right side
    28,561.96x = 472,626,930.75
  5. Step 5: Solve for x
    x = 472,626,930.75/28,561.96
  6. Step 6: Final answer
    x = 16,547.43

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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.