Home / 26,321.16-39,489-14,642.56

Finding the Fourth Proportional to 26,321.16, 39,489 and 14,642.56

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Solution

The fourth proportional to 26,321.16, 39,489 and 14,642.56 is: 21,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.16 : 39,489 = 14,642.56 : x
  2. Step 2: Convert to fraction form
    26,321.16/39,489 = 14,642.56/x
  3. Step 3: Cross multiply
    26,321.16x = 39,489 × 14,642.56
  4. Step 4: Simplify right side
    26,321.16x = 578,220,051.84
  5. Step 5: Solve for x
    x = 578,220,051.84/26,321.16
  6. Step 6: Final answer
    x = 21,967.88

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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.