Home / 27,428.81-41,130.23-12,633.35

Finding the Fourth Proportional to 27,428.81, 41,130.23 and 12,633.35

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Solution

The fourth proportional to 27,428.81, 41,130.23 and 12,633.35 is: 18,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.81 : 41,130.23 = 12,633.35 : x
  2. Step 2: Convert to fraction form
    27,428.81/41,130.23 = 12,633.35/x
  3. Step 3: Cross multiply
    27,428.81x = 41,130.23 × 12,633.35
  4. Step 4: Simplify right side
    27,428.81x = 519,612,322.35
  5. Step 5: Solve for x
    x = 519,612,322.35/27,428.81
  6. Step 6: Final answer
    x = 18,944.04

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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.