Home / 27,523.87-37,985.39-15,587.98

Finding the Fourth Proportional to 27,523.87, 37,985.39 and 15,587.98

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Solution

The fourth proportional to 27,523.87, 37,985.39 and 15,587.98 is: 21,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,523.87 : 37,985.39 = 15,587.98 : x
  2. Step 2: Convert to fraction form
    27,523.87/37,985.39 = 15,587.98/x
  3. Step 3: Cross multiply
    27,523.87x = 37,985.39 × 15,587.98
  4. Step 4: Simplify right side
    27,523.87x = 592,115,385.16
  5. Step 5: Solve for x
    x = 592,115,385.16/27,523.87
  6. Step 6: Final answer
    x = 21,512.80

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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.