Home / 26,319.40-39,466.30-14,620.20

Finding the Fourth Proportional to 26,319.40, 39,466.30 and 14,620.20

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Solution

The fourth proportional to 26,319.40, 39,466.30 and 14,620.20 is: 21,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.40 : 39,466.30 = 14,620.20 : x
  2. Step 2: Convert to fraction form
    26,319.40/39,466.30 = 14,620.20/x
  3. Step 3: Cross multiply
    26,319.40x = 39,466.30 × 14,620.20
  4. Step 4: Simplify right side
    26,319.40x = 577,005,199.26
  5. Step 5: Solve for x
    x = 577,005,199.26/26,319.40
  6. Step 6: Final answer
    x = 21,923.19

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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.