Home / 27,923.40-42,075.72-23,101.20

Finding the Fourth Proportional to 27,923.40, 42,075.72 and 23,101.20

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Solution

The fourth proportional to 27,923.40, 42,075.72 and 23,101.20 is: 34,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.40 : 42,075.72 = 23,101.20 : x
  2. Step 2: Convert to fraction form
    27,923.40/42,075.72 = 23,101.20/x
  3. Step 3: Cross multiply
    27,923.40x = 42,075.72 × 23,101.20
  4. Step 4: Simplify right side
    27,923.40x = 971,999,622.86
  5. Step 5: Solve for x
    x = 971,999,622.86/27,923.40
  6. Step 6: Final answer
    x = 34,809.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.