Home / 28,075.34-38,742.33-15,326.01

Finding the Fourth Proportional to 28,075.34, 38,742.33 and 15,326.01

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Solution

The fourth proportional to 28,075.34, 38,742.33 and 15,326.01 is: 21,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.34 : 38,742.33 = 15,326.01 : x
  2. Step 2: Convert to fraction form
    28,075.34/38,742.33 = 15,326.01/x
  3. Step 3: Cross multiply
    28,075.34x = 38,742.33 × 15,326.01
  4. Step 4: Simplify right side
    28,075.34x = 593,765,394.48
  5. Step 5: Solve for x
    x = 593,765,394.48/28,075.34
  6. Step 6: Final answer
    x = 21,149.00

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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.