Home / 39,732.84-59,597.64-18,665.28

Finding the Fourth Proportional to 39,732.84, 59,597.64 and 18,665.28

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Solution

The fourth proportional to 39,732.84, 59,597.64 and 18,665.28 is: 27,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.84 : 59,597.64 = 18,665.28 : x
  2. Step 2: Convert to fraction form
    39,732.84/59,597.64 = 18,665.28/x
  3. Step 3: Cross multiply
    39,732.84x = 59,597.64 × 18,665.28
  4. Step 4: Simplify right side
    39,732.84x = 1,112,406,637.94
  5. Step 5: Solve for x
    x = 1,112,406,637.94/39,732.84
  6. Step 6: Final answer
    x = 27,997.16

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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.