Home / 27,590.31-38,075.13-15,015.06

Finding the Fourth Proportional to 27,590.31, 38,075.13 and 15,015.06

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Solution

The fourth proportional to 27,590.31, 38,075.13 and 15,015.06 is: 20,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.31 : 38,075.13 = 15,015.06 : x
  2. Step 2: Convert to fraction form
    27,590.31/38,075.13 = 15,015.06/x
  3. Step 3: Cross multiply
    27,590.31x = 38,075.13 × 15,015.06
  4. Step 4: Simplify right side
    27,590.31x = 571,700,361.46
  5. Step 5: Solve for x
    x = 571,700,361.46/27,590.31
  6. Step 6: Final answer
    x = 20,721.06

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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.