Home / 26,140.95-39,202.68-14,130.81

Finding the Fourth Proportional to 26,140.95, 39,202.68 and 14,130.81

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Solution

The fourth proportional to 26,140.95, 39,202.68 and 14,130.81 is: 21,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.95 : 39,202.68 = 14,130.81 : x
  2. Step 2: Convert to fraction form
    26,140.95/39,202.68 = 14,130.81/x
  3. Step 3: Cross multiply
    26,140.95x = 39,202.68 × 14,130.81
  4. Step 4: Simplify right side
    26,140.95x = 553,965,622.57
  5. Step 5: Solve for x
    x = 553,965,622.57/26,140.95
  6. Step 6: Final answer
    x = 21,191.49

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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.