Home / 26,511.81-39,767.70-12,461.52

Finding the Fourth Proportional to 26,511.81, 39,767.70 and 12,461.52

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Solution

The fourth proportional to 26,511.81, 39,767.70 and 12,461.52 is: 18,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.81 : 39,767.70 = 12,461.52 : x
  2. Step 2: Convert to fraction form
    26,511.81/39,767.70 = 12,461.52/x
  3. Step 3: Cross multiply
    26,511.81x = 39,767.70 × 12,461.52
  4. Step 4: Simplify right side
    26,511.81x = 495,565,988.90
  5. Step 5: Solve for x
    x = 495,565,988.90/26,511.81
  6. Step 6: Final answer
    x = 18,692.27

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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.