Home / 26,228.40-39,342.60-16,897.20

Finding the Fourth Proportional to 26,228.40, 39,342.60 and 16,897.20

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Solution

The fourth proportional to 26,228.40, 39,342.60 and 16,897.20 is: 25,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.40 : 39,342.60 = 16,897.20 : x
  2. Step 2: Convert to fraction form
    26,228.40/39,342.60 = 16,897.20/x
  3. Step 3: Cross multiply
    26,228.40x = 39,342.60 × 16,897.20
  4. Step 4: Simplify right side
    26,228.40x = 664,779,780.72
  5. Step 5: Solve for x
    x = 664,779,780.72/26,228.40
  6. Step 6: Final answer
    x = 25,345.80

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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.