Home / 19,287.27-26,606.88-15,030.72

Finding the Fourth Proportional to 19,287.27, 26,606.88 and 15,030.72

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Solution

The fourth proportional to 19,287.27, 26,606.88 and 15,030.72 is: 20,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.27 : 26,606.88 = 15,030.72 : x
  2. Step 2: Convert to fraction form
    19,287.27/26,606.88 = 15,030.72/x
  3. Step 3: Cross multiply
    19,287.27x = 26,606.88 × 15,030.72
  4. Step 4: Simplify right side
    19,287.27x = 399,920,563.35
  5. Step 5: Solve for x
    x = 399,920,563.35/19,287.27
  6. Step 6: Final answer
    x = 20,734.95

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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.