Home / 25,827.99-35,636.05-15,755.77

Finding the Fourth Proportional to 25,827.99, 35,636.05 and 15,755.77

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Solution

The fourth proportional to 25,827.99, 35,636.05 and 15,755.77 is: 21,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.99 : 35,636.05 = 15,755.77 : x
  2. Step 2: Convert to fraction form
    25,827.99/35,636.05 = 15,755.77/x
  3. Step 3: Cross multiply
    25,827.99x = 35,636.05 × 15,755.77
  4. Step 4: Simplify right side
    25,827.99x = 561,473,407.51
  5. Step 5: Solve for x
    x = 561,473,407.51/25,827.99
  6. Step 6: Final answer
    x = 21,738.95

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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.