Home / 26,587.88-36,689.76-15,256.28

Finding the Fourth Proportional to 26,587.88, 36,689.76 and 15,256.28

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Solution

The fourth proportional to 26,587.88, 36,689.76 and 15,256.28 is: 21,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.88 : 36,689.76 = 15,256.28 : x
  2. Step 2: Convert to fraction form
    26,587.88/36,689.76 = 15,256.28/x
  3. Step 3: Cross multiply
    26,587.88x = 36,689.76 × 15,256.28
  4. Step 4: Simplify right side
    26,587.88x = 559,749,343.42
  5. Step 5: Solve for x
    x = 559,749,343.42/26,587.88
  6. Step 6: Final answer
    x = 21,052.80

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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.