Home / 26,615.34-36,728.72-14,679.76

Finding the Fourth Proportional to 26,615.34, 36,728.72 and 14,679.76

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Solution

The fourth proportional to 26,615.34, 36,728.72 and 14,679.76 is: 20,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.34 : 36,728.72 = 14,679.76 : x
  2. Step 2: Convert to fraction form
    26,615.34/36,728.72 = 14,679.76/x
  3. Step 3: Cross multiply
    26,615.34x = 36,728.72 × 14,679.76
  4. Step 4: Simplify right side
    26,615.34x = 539,168,794.71
  5. Step 5: Solve for x
    x = 539,168,794.71/26,615.34
  6. Step 6: Final answer
    x = 20,257.82

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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.