Home / 28,298.88-39,054.78-18,248.25

Finding the Fourth Proportional to 28,298.88, 39,054.78 and 18,248.25

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Solution

The fourth proportional to 28,298.88, 39,054.78 and 18,248.25 is: 25,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.88 : 39,054.78 = 18,248.25 : x
  2. Step 2: Convert to fraction form
    28,298.88/39,054.78 = 18,248.25/x
  3. Step 3: Cross multiply
    28,298.88x = 39,054.78 × 18,248.25
  4. Step 4: Simplify right side
    28,298.88x = 712,681,389.14
  5. Step 5: Solve for x
    x = 712,681,389.14/28,298.88
  6. Step 6: Final answer
    x = 25,184.08

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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.