Home / 19,730.07-27,208.95-14,705.43

Finding the Fourth Proportional to 19,730.07, 27,208.95 and 14,705.43

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Solution

The fourth proportional to 19,730.07, 27,208.95 and 14,705.43 is: 20,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.07 : 27,208.95 = 14,705.43 : x
  2. Step 2: Convert to fraction form
    19,730.07/27,208.95 = 14,705.43/x
  3. Step 3: Cross multiply
    19,730.07x = 27,208.95 × 14,705.43
  4. Step 4: Simplify right side
    19,730.07x = 400,119,309.60
  5. Step 5: Solve for x
    x = 400,119,309.60/19,730.07
  6. Step 6: Final answer
    x = 20,279.67

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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.