Home / 26,319.14-39,486-14,640.56

Finding the Fourth Proportional to 26,319.14, 39,486 and 14,640.56

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Solution

The fourth proportional to 26,319.14, 39,486 and 14,640.56 is: 21,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.14 : 39,486 = 14,640.56 : x
  2. Step 2: Convert to fraction form
    26,319.14/39,486 = 14,640.56/x
  3. Step 3: Cross multiply
    26,319.14x = 39,486 × 14,640.56
  4. Step 4: Simplify right side
    26,319.14x = 578,097,152.16
  5. Step 5: Solve for x
    x = 578,097,152.16/26,319.14
  6. Step 6: Final answer
    x = 21,964.90

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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.