Home / 26,400.90-39,607.58-7,681.35

Finding the Fourth Proportional to 26,400.90, 39,607.58 and 7,681.35

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Solution

The fourth proportional to 26,400.90, 39,607.58 and 7,681.35 is: 11,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.90 : 39,607.58 = 7,681.35 : x
  2. Step 2: Convert to fraction form
    26,400.90/39,607.58 = 7,681.35/x
  3. Step 3: Cross multiply
    26,400.90x = 39,607.58 × 7,681.35
  4. Step 4: Simplify right side
    26,400.90x = 304,239,646.23
  5. Step 5: Solve for x
    x = 304,239,646.23/26,400.90
  6. Step 6: Final answer
    x = 11,523.84

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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.