Home / 26,349.60-39,428.40-19,437.60

Finding the Fourth Proportional to 26,349.60, 39,428.40 and 19,437.60

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Solution

The fourth proportional to 26,349.60, 39,428.40 and 19,437.60 is: 29,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.60 : 39,428.40 = 19,437.60 : x
  2. Step 2: Convert to fraction form
    26,349.60/39,428.40 = 19,437.60/x
  3. Step 3: Cross multiply
    26,349.60x = 39,428.40 × 19,437.60
  4. Step 4: Simplify right side
    26,349.60x = 766,393,467.84
  5. Step 5: Solve for x
    x = 766,393,467.84/26,349.60
  6. Step 6: Final answer
    x = 29,085.58

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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.