Home / 26,425.80-39,638.70-25,259.40

Finding the Fourth Proportional to 26,425.80, 39,638.70 and 25,259.40

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Solution

The fourth proportional to 26,425.80, 39,638.70 and 25,259.40 is: 37,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.80 : 39,638.70 = 25,259.40 : x
  2. Step 2: Convert to fraction form
    26,425.80/39,638.70 = 25,259.40/x
  3. Step 3: Cross multiply
    26,425.80x = 39,638.70 × 25,259.40
  4. Step 4: Simplify right side
    26,425.80x = 1,001,249,778.78
  5. Step 5: Solve for x
    x = 1,001,249,778.78/26,425.80
  6. Step 6: Final answer
    x = 37,889.10

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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.