Home / 52,497.89-78,729.75-17,428.13

Finding the Fourth Proportional to 52,497.89, 78,729.75 and 17,428.13

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Solution

The fourth proportional to 52,497.89, 78,729.75 and 17,428.13 is: 26,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.89 : 78,729.75 = 17,428.13 : x
  2. Step 2: Convert to fraction form
    52,497.89/78,729.75 = 17,428.13/x
  3. Step 3: Cross multiply
    52,497.89x = 78,729.75 × 17,428.13
  4. Step 4: Simplify right side
    52,497.89x = 1,372,111,924.22
  5. Step 5: Solve for x
    x = 1,372,111,924.22/52,497.89
  6. Step 6: Final answer
    x = 26,136.52

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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.