Home / 21,577.15-29,785.67-14,507.67

Finding the Fourth Proportional to 21,577.15, 29,785.67 and 14,507.67

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Solution

The fourth proportional to 21,577.15, 29,785.67 and 14,507.67 is: 20,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.15 : 29,785.67 = 14,507.67 : x
  2. Step 2: Convert to fraction form
    21,577.15/29,785.67 = 14,507.67/x
  3. Step 3: Cross multiply
    21,577.15x = 29,785.67 × 14,507.67
  4. Step 4: Simplify right side
    21,577.15x = 432,120,846.26
  5. Step 5: Solve for x
    x = 432,120,846.26/21,577.15
  6. Step 6: Final answer
    x = 20,026.78

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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.