Home / 35,155.22-52,726.95-15,428.48

Finding the Fourth Proportional to 35,155.22, 52,726.95 and 15,428.48

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Solution

The fourth proportional to 35,155.22, 52,726.95 and 15,428.48 is: 23,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.22 : 52,726.95 = 15,428.48 : x
  2. Step 2: Convert to fraction form
    35,155.22/52,726.95 = 15,428.48/x
  3. Step 3: Cross multiply
    35,155.22x = 52,726.95 × 15,428.48
  4. Step 4: Simplify right side
    35,155.22x = 813,496,429.90
  5. Step 5: Solve for x
    x = 813,496,429.90/35,155.22
  6. Step 6: Final answer
    x = 23,140.14

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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.