Home / 19,526.40-26,990.72-17,976.36

Finding the Fourth Proportional to 19,526.40, 26,990.72 and 17,976.36

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Solution

The fourth proportional to 19,526.40, 26,990.72 and 17,976.36 is: 24,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.40 : 26,990.72 = 17,976.36 : x
  2. Step 2: Convert to fraction form
    19,526.40/26,990.72 = 17,976.36/x
  3. Step 3: Cross multiply
    19,526.40x = 26,990.72 × 17,976.36
  4. Step 4: Simplify right side
    19,526.40x = 485,194,899.38
  5. Step 5: Solve for x
    x = 485,194,899.38/19,526.40
  6. Step 6: Final answer
    x = 24,848.15

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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.