Home / 28,888.83-39,830.23-22,091.16

Finding the Fourth Proportional to 28,888.83, 39,830.23 and 22,091.16

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Solution

The fourth proportional to 28,888.83, 39,830.23 and 22,091.16 is: 30,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.83 : 39,830.23 = 22,091.16 : x
  2. Step 2: Convert to fraction form
    28,888.83/39,830.23 = 22,091.16/x
  3. Step 3: Cross multiply
    28,888.83x = 39,830.23 × 22,091.16
  4. Step 4: Simplify right side
    28,888.83x = 879,895,824.68
  5. Step 5: Solve for x
    x = 879,895,824.68/28,888.83
  6. Step 6: Final answer
    x = 30,458.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.