Home / 26,355.03-39,488.80-18,547.44

Finding the Fourth Proportional to 26,355.03, 39,488.80 and 18,547.44

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Solution

The fourth proportional to 26,355.03, 39,488.80 and 18,547.44 is: 27,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.03 : 39,488.80 = 18,547.44 : x
  2. Step 2: Convert to fraction form
    26,355.03/39,488.80 = 18,547.44/x
  3. Step 3: Cross multiply
    26,355.03x = 39,488.80 × 18,547.44
  4. Step 4: Simplify right side
    26,355.03x = 732,416,148.67
  5. Step 5: Solve for x
    x = 732,416,148.67/26,355.03
  6. Step 6: Final answer
    x = 27,790.37

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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.