Home / 28,616.16-42,807.51-23,075.76

Finding the Fourth Proportional to 28,616.16, 42,807.51 and 23,075.76

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Solution

The fourth proportional to 28,616.16, 42,807.51 and 23,075.76 is: 34,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.16 : 42,807.51 = 23,075.76 : x
  2. Step 2: Convert to fraction form
    28,616.16/42,807.51 = 23,075.76/x
  3. Step 3: Cross multiply
    28,616.16x = 42,807.51 × 23,075.76
  4. Step 4: Simplify right side
    28,616.16x = 987,815,826.96
  5. Step 5: Solve for x
    x = 987,815,826.96/28,616.16
  6. Step 6: Final answer
    x = 34,519.51

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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.