Home / 20,347.68-28,058.40-15,053.52

Finding the Fourth Proportional to 20,347.68, 28,058.40 and 15,053.52

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Solution

The fourth proportional to 20,347.68, 28,058.40 and 15,053.52 is: 20,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.68 : 28,058.40 = 15,053.52 : x
  2. Step 2: Convert to fraction form
    20,347.68/28,058.40 = 15,053.52/x
  3. Step 3: Cross multiply
    20,347.68x = 28,058.40 × 15,053.52
  4. Step 4: Simplify right side
    20,347.68x = 422,377,685.57
  5. Step 5: Solve for x
    x = 422,377,685.57/20,347.68
  6. Step 6: Final answer
    x = 20,758.03

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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.