Home / 26,567.10-39,878.82-19,555.20

Finding the Fourth Proportional to 26,567.10, 39,878.82 and 19,555.20

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Solution

The fourth proportional to 26,567.10, 39,878.82 and 19,555.20 is: 29,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,567.10 : 39,878.82 = 19,555.20 : x
  2. Step 2: Convert to fraction form
    26,567.10/39,878.82 = 19,555.20/x
  3. Step 3: Cross multiply
    26,567.10x = 39,878.82 × 19,555.20
  4. Step 4: Simplify right side
    26,567.10x = 779,838,300.86
  5. Step 5: Solve for x
    x = 779,838,300.86/26,567.10
  6. Step 6: Final answer
    x = 29,353.54

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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.