Home / 26,312.85-39,490.23-13,840.17

Finding the Fourth Proportional to 26,312.85, 39,490.23 and 13,840.17

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Solution

The fourth proportional to 26,312.85, 39,490.23 and 13,840.17 is: 20,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.85 : 39,490.23 = 13,840.17 : x
  2. Step 2: Convert to fraction form
    26,312.85/39,490.23 = 13,840.17/x
  3. Step 3: Cross multiply
    26,312.85x = 39,490.23 × 13,840.17
  4. Step 4: Simplify right side
    26,312.85x = 546,551,400.35
  5. Step 5: Solve for x
    x = 546,551,400.35/26,312.85
  6. Step 6: Final answer
    x = 20,771.27

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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.