Home / 27,807.74-38,374.49-15,060.63

Finding the Fourth Proportional to 27,807.74, 38,374.49 and 15,060.63

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Solution

The fourth proportional to 27,807.74, 38,374.49 and 15,060.63 is: 20,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.74 : 38,374.49 = 15,060.63 : x
  2. Step 2: Convert to fraction form
    27,807.74/38,374.49 = 15,060.63/x
  3. Step 3: Cross multiply
    27,807.74x = 38,374.49 × 15,060.63
  4. Step 4: Simplify right side
    27,807.74x = 577,943,920.03
  5. Step 5: Solve for x
    x = 577,943,920.03/27,807.74
  6. Step 6: Final answer
    x = 20,783.57

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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.