Home / 19,543.40-26,982.12-15,058.64

Finding the Fourth Proportional to 19,543.40, 26,982.12 and 15,058.64

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Solution

The fourth proportional to 19,543.40, 26,982.12 and 15,058.64 is: 20,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.40 : 26,982.12 = 15,058.64 : x
  2. Step 2: Convert to fraction form
    19,543.40/26,982.12 = 15,058.64/x
  3. Step 3: Cross multiply
    19,543.40x = 26,982.12 × 15,058.64
  4. Step 4: Simplify right side
    19,543.40x = 406,314,031.52
  5. Step 5: Solve for x
    x = 406,314,031.52/19,543.40
  6. Step 6: Final answer
    x = 20,790.35

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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.