Home / 28,095.66-38,752.74-19,139.58

Finding the Fourth Proportional to 28,095.66, 38,752.74 and 19,139.58

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Solution

The fourth proportional to 28,095.66, 38,752.74 and 19,139.58 is: 26,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.66 : 38,752.74 = 19,139.58 : x
  2. Step 2: Convert to fraction form
    28,095.66/38,752.74 = 19,139.58/x
  3. Step 3: Cross multiply
    28,095.66x = 38,752.74 × 19,139.58
  4. Step 4: Simplify right side
    28,095.66x = 741,711,167.45
  5. Step 5: Solve for x
    x = 741,711,167.45/28,095.66
  6. Step 6: Final answer
    x = 26,399.49

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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.