Home / 26,558.56-39,862.45-13,420.16

Finding the Fourth Proportional to 26,558.56, 39,862.45 and 13,420.16

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Solution

The fourth proportional to 26,558.56, 39,862.45 and 13,420.16 is: 20,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.56 : 39,862.45 = 13,420.16 : x
  2. Step 2: Convert to fraction form
    26,558.56/39,862.45 = 13,420.16/x
  3. Step 3: Cross multiply
    26,558.56x = 39,862.45 × 13,420.16
  4. Step 4: Simplify right side
    26,558.56x = 534,960,423.94
  5. Step 5: Solve for x
    x = 534,960,423.94/26,558.56
  6. Step 6: Final answer
    x = 20,142.67

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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.