Home / 19,009.49-28,475.96-15,920.35

Finding the Fourth Proportional to 19,009.49, 28,475.96 and 15,920.35

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Solution

The fourth proportional to 19,009.49, 28,475.96 and 15,920.35 is: 23,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.49 : 28,475.96 = 15,920.35 : x
  2. Step 2: Convert to fraction form
    19,009.49/28,475.96 = 15,920.35/x
  3. Step 3: Cross multiply
    19,009.49x = 28,475.96 × 15,920.35
  4. Step 4: Simplify right side
    19,009.49x = 453,347,098.99
  5. Step 5: Solve for x
    x = 453,347,098.99/19,009.49
  6. Step 6: Final answer
    x = 23,848.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.