Home / 25,730.08-38,423.24-21,993.28

Finding the Fourth Proportional to 25,730.08, 38,423.24 and 21,993.28

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Solution

The fourth proportional to 25,730.08, 38,423.24 and 21,993.28 is: 32,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.08 : 38,423.24 = 21,993.28 : x
  2. Step 2: Convert to fraction form
    25,730.08/38,423.24 = 21,993.28/x
  3. Step 3: Cross multiply
    25,730.08x = 38,423.24 × 21,993.28
  4. Step 4: Simplify right side
    25,730.08x = 845,053,075.83
  5. Step 5: Solve for x
    x = 845,053,075.83/25,730.08
  6. Step 6: Final answer
    x = 32,843.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.