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Finding the Fourth Proportional to 28,041.01, 42,069.63 and 9,065.24

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Solution

The fourth proportional to 28,041.01, 42,069.63 and 9,065.24 is: 13,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.01 : 42,069.63 = 9,065.24 : x
  2. Step 2: Convert to fraction form
    28,041.01/42,069.63 = 9,065.24/x
  3. Step 3: Cross multiply
    28,041.01x = 42,069.63 × 9,065.24
  4. Step 4: Simplify right side
    28,041.01x = 381,371,292.66
  5. Step 5: Solve for x
    x = 381,371,292.66/28,041.01
  6. Step 6: Final answer
    x = 13,600.48

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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.