Home / 26,687.95-39,999.69-9,807.35

Finding the Fourth Proportional to 26,687.95, 39,999.69 and 9,807.35

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Solution

The fourth proportional to 26,687.95, 39,999.69 and 9,807.35 is: 14,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.95 : 39,999.69 = 9,807.35 : x
  2. Step 2: Convert to fraction form
    26,687.95/39,999.69 = 9,807.35/x
  3. Step 3: Cross multiply
    26,687.95x = 39,999.69 × 9,807.35
  4. Step 4: Simplify right side
    26,687.95x = 392,290,759.72
  5. Step 5: Solve for x
    x = 392,290,759.72/26,687.95
  6. Step 6: Final answer
    x = 14,699.17

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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.