Home / 19,531.38-26,953.40-10,578.90

Finding the Fourth Proportional to 19,531.38, 26,953.40 and 10,578.90

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Solution

The fourth proportional to 19,531.38, 26,953.40 and 10,578.90 is: 14,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.38 : 26,953.40 = 10,578.90 : x
  2. Step 2: Convert to fraction form
    19,531.38/26,953.40 = 10,578.90/x
  3. Step 3: Cross multiply
    19,531.38x = 26,953.40 × 10,578.90
  4. Step 4: Simplify right side
    19,531.38x = 285,137,323.26
  5. Step 5: Solve for x
    x = 285,137,323.26/19,531.38
  6. Step 6: Final answer
    x = 14,598.93

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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.