Home / 28,146-38,826.12-18,075.98

Finding the Fourth Proportional to 28,146, 38,826.12 and 18,075.98

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Solution

The fourth proportional to 28,146, 38,826.12 and 18,075.98 is: 24,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146 : 38,826.12 = 18,075.98 : x
  2. Step 2: Convert to fraction form
    28,146/38,826.12 = 18,075.98/x
  3. Step 3: Cross multiply
    28,146x = 38,826.12 × 18,075.98
  4. Step 4: Simplify right side
    28,146x = 701,820,265.66
  5. Step 5: Solve for x
    x = 701,820,265.66/28,146
  6. Step 6: Final answer
    x = 24,934.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.