Home / 27,651.06-38,157.98-15,075.81

Finding the Fourth Proportional to 27,651.06, 38,157.98 and 15,075.81

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Solution

The fourth proportional to 27,651.06, 38,157.98 and 15,075.81 is: 20,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.06 : 38,157.98 = 15,075.81 : x
  2. Step 2: Convert to fraction form
    27,651.06/38,157.98 = 15,075.81/x
  3. Step 3: Cross multiply
    27,651.06x = 38,157.98 × 15,075.81
  4. Step 4: Simplify right side
    27,651.06x = 575,262,381.08
  5. Step 5: Solve for x
    x = 575,262,381.08/27,651.06
  6. Step 6: Final answer
    x = 20,804.35

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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.