Home / 28,487.48-42,394.84-27,541.52

Finding the Fourth Proportional to 28,487.48, 42,394.84 and 27,541.52

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Solution

The fourth proportional to 28,487.48, 42,394.84 and 27,541.52 is: 40,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.48 : 42,394.84 = 27,541.52 : x
  2. Step 2: Convert to fraction form
    28,487.48/42,394.84 = 27,541.52/x
  3. Step 3: Cross multiply
    28,487.48x = 42,394.84 × 27,541.52
  4. Step 4: Simplify right side
    28,487.48x = 1,167,618,333.76
  5. Step 5: Solve for x
    x = 1,167,618,333.76/28,487.48
  6. Step 6: Final answer
    x = 40,987.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.