Home / 21,425.32-32,082.60-14,782.30

Finding the Fourth Proportional to 21,425.32, 32,082.60 and 14,782.30

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Solution

The fourth proportional to 21,425.32, 32,082.60 and 14,782.30 is: 22,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.32 : 32,082.60 = 14,782.30 : x
  2. Step 2: Convert to fraction form
    21,425.32/32,082.60 = 14,782.30/x
  3. Step 3: Cross multiply
    21,425.32x = 32,082.60 × 14,782.30
  4. Step 4: Simplify right side
    21,425.32x = 474,254,617.98
  5. Step 5: Solve for x
    x = 474,254,617.98/21,425.32
  6. Step 6: Final answer
    x = 22,135.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.