Home / 26,267.60-39,305.40-19,355.60

Finding the Fourth Proportional to 26,267.60, 39,305.40 and 19,355.60

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Solution

The fourth proportional to 26,267.60, 39,305.40 and 19,355.60 is: 28,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,267.60 : 39,305.40 = 19,355.60 : x
  2. Step 2: Convert to fraction form
    26,267.60/39,305.40 = 19,355.60/x
  3. Step 3: Cross multiply
    26,267.60x = 39,305.40 × 19,355.60
  4. Step 4: Simplify right side
    26,267.60x = 760,779,600.24
  5. Step 5: Solve for x
    x = 760,779,600.24/26,267.60
  6. Step 6: Final answer
    x = 28,962.66

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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.