Home / 42,579.95-63,897.26-28,555.81

Finding the Fourth Proportional to 42,579.95, 63,897.26 and 28,555.81

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Solution

The fourth proportional to 42,579.95, 63,897.26 and 28,555.81 is: 42,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.95 : 63,897.26 = 28,555.81 : x
  2. Step 2: Convert to fraction form
    42,579.95/63,897.26 = 28,555.81/x
  3. Step 3: Cross multiply
    42,579.95x = 63,897.26 × 28,555.81
  4. Step 4: Simplify right side
    42,579.95x = 1,824,637,713.56
  5. Step 5: Solve for x
    x = 1,824,637,713.56/42,579.95
  6. Step 6: Final answer
    x = 42,852.04

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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.