Home / 26,420.21-36,459.90-14,483.30

Finding the Fourth Proportional to 26,420.21, 36,459.90 and 14,483.30

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Solution

The fourth proportional to 26,420.21, 36,459.90 and 14,483.30 is: 19,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.21 : 36,459.90 = 14,483.30 : x
  2. Step 2: Convert to fraction form
    26,420.21/36,459.90 = 14,483.30/x
  3. Step 3: Cross multiply
    26,420.21x = 36,459.90 × 14,483.30
  4. Step 4: Simplify right side
    26,420.21x = 528,059,414.95
  5. Step 5: Solve for x
    x = 528,059,414.95/26,420.21
  6. Step 6: Final answer
    x = 19,986.95

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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.