Home / 26,455.42-39,700.41-12,605.50

Finding the Fourth Proportional to 26,455.42, 39,700.41 and 12,605.50

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Solution

The fourth proportional to 26,455.42, 39,700.41 and 12,605.50 is: 18,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.42 : 39,700.41 = 12,605.50 : x
  2. Step 2: Convert to fraction form
    26,455.42/39,700.41 = 12,605.50/x
  3. Step 3: Cross multiply
    26,455.42x = 39,700.41 × 12,605.50
  4. Step 4: Simplify right side
    26,455.42x = 500,443,518.26
  5. Step 5: Solve for x
    x = 500,443,518.26/26,455.42
  6. Step 6: Final answer
    x = 18,916.48

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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.