Home / 28,461.22-42,607.59-18,605.14

Finding the Fourth Proportional to 28,461.22, 42,607.59 and 18,605.14

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Solution

The fourth proportional to 28,461.22, 42,607.59 and 18,605.14 is: 27,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.22 : 42,607.59 = 18,605.14 : x
  2. Step 2: Convert to fraction form
    28,461.22/42,607.59 = 18,605.14/x
  3. Step 3: Cross multiply
    28,461.22x = 42,607.59 × 18,605.14
  4. Step 4: Simplify right side
    28,461.22x = 792,720,177.01
  5. Step 5: Solve for x
    x = 792,720,177.01/28,461.22
  6. Step 6: Final answer
    x = 27,852.64

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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.