Home / 28,669.51-39,478.21-26,578.63

Finding the Fourth Proportional to 28,669.51, 39,478.21 and 26,578.63

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Solution

The fourth proportional to 28,669.51, 39,478.21 and 26,578.63 is: 36,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.51 : 39,478.21 = 26,578.63 : x
  2. Step 2: Convert to fraction form
    28,669.51/39,478.21 = 26,578.63/x
  3. Step 3: Cross multiply
    28,669.51x = 39,478.21 × 26,578.63
  4. Step 4: Simplify right side
    28,669.51x = 1,049,276,736.65
  5. Step 5: Solve for x
    x = 1,049,276,736.65/28,669.51
  6. Step 6: Final answer
    x = 36,599.05

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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.