Home / 28,678,057.09-42,975,357.64-17,724,861.25

Finding the Fourth Proportional to 28,678,057.09, 42,975,357.64 and 17,724,861.25

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Solution

The fourth proportional to 28,678,057.09, 42,975,357.64 and 17,724,861.25 is: 26,561,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,057.09 : 42,975,357.64 = 17,724,861.25 : x
  2. Step 2: Convert to fraction form
    28,678,057.09/42,975,357.64 = 17,724,861.25/x
  3. Step 3: Cross multiply
    28,678,057.09x = 42,975,357.64 × 17,724,861.25
  4. Step 4: Simplify right side
    28,678,057.09x = 761,732,251,186,376.88
  5. Step 5: Solve for x
    x = 761,732,251,186,376.88/28,678,057.09
  6. Step 6: Final answer
    x = 26,561,501.32

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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.