Home / 26,657.21-39,985.86-9,127.19

Finding the Fourth Proportional to 26,657.21, 39,985.86 and 9,127.19

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Solution

The fourth proportional to 26,657.21, 39,985.86 and 9,127.19 is: 13,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.21 : 39,985.86 = 9,127.19 : x
  2. Step 2: Convert to fraction form
    26,657.21/39,985.86 = 9,127.19/x
  3. Step 3: Cross multiply
    26,657.21x = 39,985.86 × 9,127.19
  4. Step 4: Simplify right side
    26,657.21x = 364,958,541.53
  5. Step 5: Solve for x
    x = 364,958,541.53/26,657.21
  6. Step 6: Final answer
    x = 13,690.80

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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.