Home / 28,259.94-39,001.80-18,060.36

Finding the Fourth Proportional to 28,259.94, 39,001.80 and 18,060.36

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Solution

The fourth proportional to 28,259.94, 39,001.80 and 18,060.36 is: 24,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.94 : 39,001.80 = 18,060.36 : x
  2. Step 2: Convert to fraction form
    28,259.94/39,001.80 = 18,060.36/x
  3. Step 3: Cross multiply
    28,259.94x = 39,001.80 × 18,060.36
  4. Step 4: Simplify right side
    28,259.94x = 704,386,548.65
  5. Step 5: Solve for x
    x = 704,386,548.65/28,259.94
  6. Step 6: Final answer
    x = 24,925.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.