Home / 26,290.90-39,412.85-9,647.07

Finding the Fourth Proportional to 26,290.90, 39,412.85 and 9,647.07

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Solution

The fourth proportional to 26,290.90, 39,412.85 and 9,647.07 is: 14,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.90 : 39,412.85 = 9,647.07 : x
  2. Step 2: Convert to fraction form
    26,290.90/39,412.85 = 9,647.07/x
  3. Step 3: Cross multiply
    26,290.90x = 39,412.85 × 9,647.07
  4. Step 4: Simplify right side
    26,290.90x = 380,218,474.61
  5. Step 5: Solve for x
    x = 380,218,474.61/26,290.90
  6. Step 6: Final answer
    x = 14,461.98

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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.