Home / 26,280.14-39,372.81-14,421.12

Finding the Fourth Proportional to 26,280.14, 39,372.81 and 14,421.12

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Solution

The fourth proportional to 26,280.14, 39,372.81 and 14,421.12 is: 21,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.14 : 39,372.81 = 14,421.12 : x
  2. Step 2: Convert to fraction form
    26,280.14/39,372.81 = 14,421.12/x
  3. Step 3: Cross multiply
    26,280.14x = 39,372.81 × 14,421.12
  4. Step 4: Simplify right side
    26,280.14x = 567,800,017.75
  5. Step 5: Solve for x
    x = 567,800,017.75/26,280.14
  6. Step 6: Final answer
    x = 21,605.67

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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.