Home / 19,490.76-26,897.20-10,538.28

Finding the Fourth Proportional to 19,490.76, 26,897.20 and 10,538.28

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Solution

The fourth proportional to 19,490.76, 26,897.20 and 10,538.28 is: 14,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.76 : 26,897.20 = 10,538.28 : x
  2. Step 2: Convert to fraction form
    19,490.76/26,897.20 = 10,538.28/x
  3. Step 3: Cross multiply
    19,490.76x = 26,897.20 × 10,538.28
  4. Step 4: Simplify right side
    19,490.76x = 283,450,224.82
  5. Step 5: Solve for x
    x = 283,450,224.82/19,490.76
  6. Step 6: Final answer
    x = 14,542.80

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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.