Home / 52,666.08-78,987.56-15,218.00

Finding the Fourth Proportional to 52,666.08, 78,987.56 and 15,218.00

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Solution

The fourth proportional to 52,666.08, 78,987.56 and 15,218.00 is: 22,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.08 : 78,987.56 = 15,218.00 : x
  2. Step 2: Convert to fraction form
    52,666.08/78,987.56 = 15,218.00/x
  3. Step 3: Cross multiply
    52,666.08x = 78,987.56 × 15,218.00
  4. Step 4: Simplify right side
    52,666.08x = 1,202,032,513.26
  5. Step 5: Solve for x
    x = 1,202,032,513.26/52,666.08
  6. Step 6: Final answer
    x = 22,823.66

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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.