Home / 27,303.78-37,675.13-15,366.41

Finding the Fourth Proportional to 27,303.78, 37,675.13 and 15,366.41

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Solution

The fourth proportional to 27,303.78, 37,675.13 and 15,366.41 is: 21,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.78 : 37,675.13 = 15,366.41 : x
  2. Step 2: Convert to fraction form
    27,303.78/37,675.13 = 15,366.41/x
  3. Step 3: Cross multiply
    27,303.78x = 37,675.13 × 15,366.41
  4. Step 4: Simplify right side
    27,303.78x = 578,931,370.46
  5. Step 5: Solve for x
    x = 578,931,370.46/27,303.78
  6. Step 6: Final answer
    x = 21,203.34

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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.