Home / 27,430.45-37,860.42-19,475.17

Finding the Fourth Proportional to 27,430.45, 37,860.42 and 19,475.17

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Solution

The fourth proportional to 27,430.45, 37,860.42 and 19,475.17 is: 26,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.45 : 37,860.42 = 19,475.17 : x
  2. Step 2: Convert to fraction form
    27,430.45/37,860.42 = 19,475.17/x
  3. Step 3: Cross multiply
    27,430.45x = 37,860.42 × 19,475.17
  4. Step 4: Simplify right side
    27,430.45x = 737,338,115.77
  5. Step 5: Solve for x
    x = 737,338,115.77/27,430.45
  6. Step 6: Final answer
    x = 26,880.28

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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.