Home / 19,126.40-28,700.78-8,032.28

Finding the Fourth Proportional to 19,126.40, 28,700.78 and 8,032.28

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Solution

The fourth proportional to 19,126.40, 28,700.78 and 8,032.28 is: 12,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.40 : 28,700.78 = 8,032.28 : x
  2. Step 2: Convert to fraction form
    19,126.40/28,700.78 = 8,032.28/x
  3. Step 3: Cross multiply
    19,126.40x = 28,700.78 × 8,032.28
  4. Step 4: Simplify right side
    19,126.40x = 230,532,701.18
  5. Step 5: Solve for x
    x = 230,532,701.18/19,126.40
  6. Step 6: Final answer
    x = 12,053.12

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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.