Home / 103,427.77-155,150.57-28,547.93

Finding the Fourth Proportional to 103,427.77, 155,150.57 and 28,547.93

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Solution

The fourth proportional to 103,427.77, 155,150.57 and 28,547.93 is: 42,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427.77 : 155,150.57 = 28,547.93 : x
  2. Step 2: Convert to fraction form
    103,427.77/155,150.57 = 28,547.93/x
  3. Step 3: Cross multiply
    103,427.77x = 155,150.57 × 28,547.93
  4. Step 4: Simplify right side
    103,427.77x = 4,429,227,611.82
  5. Step 5: Solve for x
    x = 4,429,227,611.82/103,427.77
  6. Step 6: Final answer
    x = 42,824.36

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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.