Home / 26,427.84-39,646.95-9,788.01

Finding the Fourth Proportional to 26,427.84, 39,646.95 and 9,788.01

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Solution

The fourth proportional to 26,427.84, 39,646.95 and 9,788.01 is: 14,683.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.84 : 39,646.95 = 9,788.01 : x
  2. Step 2: Convert to fraction form
    26,427.84/39,646.95 = 9,788.01/x
  3. Step 3: Cross multiply
    26,427.84x = 39,646.95 × 9,788.01
  4. Step 4: Simplify right side
    26,427.84x = 388,064,743.07
  5. Step 5: Solve for x
    x = 388,064,743.07/26,427.84
  6. Step 6: Final answer
    x = 14,683.94

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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.