Home / 25,426.94-38,140.91-17,899.70

Finding the Fourth Proportional to 25,426.94, 38,140.91 and 17,899.70

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Solution

The fourth proportional to 25,426.94, 38,140.91 and 17,899.70 is: 26,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.94 : 38,140.91 = 17,899.70 : x
  2. Step 2: Convert to fraction form
    25,426.94/38,140.91 = 17,899.70/x
  3. Step 3: Cross multiply
    25,426.94x = 38,140.91 × 17,899.70
  4. Step 4: Simplify right side
    25,426.94x = 682,710,566.52
  5. Step 5: Solve for x
    x = 682,710,566.52/25,426.94
  6. Step 6: Final answer
    x = 26,849.90

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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.