Home / 28,709.76-39,631.62-26,916.24

Finding the Fourth Proportional to 28,709.76, 39,631.62 and 26,916.24

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Solution

The fourth proportional to 28,709.76, 39,631.62 and 26,916.24 is: 37,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.76 : 39,631.62 = 26,916.24 : x
  2. Step 2: Convert to fraction form
    28,709.76/39,631.62 = 26,916.24/x
  3. Step 3: Cross multiply
    28,709.76x = 39,631.62 × 26,916.24
  4. Step 4: Simplify right side
    28,709.76x = 1,066,734,195.51
  5. Step 5: Solve for x
    x = 1,066,734,195.51/28,709.76
  6. Step 6: Final answer
    x = 37,155.80

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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.