Home / 28,501.62-42,645.51-27,001.50

Finding the Fourth Proportional to 28,501.62, 42,645.51 and 27,001.50

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Solution

The fourth proportional to 28,501.62, 42,645.51 and 27,001.50 is: 40,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.62 : 42,645.51 = 27,001.50 : x
  2. Step 2: Convert to fraction form
    28,501.62/42,645.51 = 27,001.50/x
  3. Step 3: Cross multiply
    28,501.62x = 42,645.51 × 27,001.50
  4. Step 4: Simplify right side
    28,501.62x = 1,151,492,738.27
  5. Step 5: Solve for x
    x = 1,151,492,738.27/28,501.62
  6. Step 6: Final answer
    x = 40,400.96

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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.