Home / 19,031.09-28,554.80-7,352.51

Finding the Fourth Proportional to 19,031.09, 28,554.80 and 7,352.51

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Solution

The fourth proportional to 19,031.09, 28,554.80 and 7,352.51 is: 11,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.09 : 28,554.80 = 7,352.51 : x
  2. Step 2: Convert to fraction form
    19,031.09/28,554.80 = 7,352.51/x
  3. Step 3: Cross multiply
    19,031.09x = 28,554.80 × 7,352.51
  4. Step 4: Simplify right side
    19,031.09x = 209,949,273.01
  5. Step 5: Solve for x
    x = 209,949,273.01/19,031.09
  6. Step 6: Final answer
    x = 11,031.91

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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.