Home / 21,739.34-32,513.17-18,925.10

Finding the Fourth Proportional to 21,739.34, 32,513.17 and 18,925.10

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Solution

The fourth proportional to 21,739.34, 32,513.17 and 18,925.10 is: 28,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.34 : 32,513.17 = 18,925.10 : x
  2. Step 2: Convert to fraction form
    21,739.34/32,513.17 = 18,925.10/x
  3. Step 3: Cross multiply
    21,739.34x = 32,513.17 × 18,925.10
  4. Step 4: Simplify right side
    21,739.34x = 615,314,993.57
  5. Step 5: Solve for x
    x = 615,314,993.57/21,739.34
  6. Step 6: Final answer
    x = 28,304.22

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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.