Home / 21,574.08-32,370.84-18,470.16

Finding the Fourth Proportional to 21,574.08, 32,370.84 and 18,470.16

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Solution

The fourth proportional to 21,574.08, 32,370.84 and 18,470.16 is: 27,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.08 : 32,370.84 = 18,470.16 : x
  2. Step 2: Convert to fraction form
    21,574.08/32,370.84 = 18,470.16/x
  3. Step 3: Cross multiply
    21,574.08x = 32,370.84 × 18,470.16
  4. Step 4: Simplify right side
    21,574.08x = 597,894,594.13
  5. Step 5: Solve for x
    x = 597,894,594.13/21,574.08
  6. Step 6: Final answer
    x = 27,713.56

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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.