Home / 28,365.13-39,150.98-18,304.93

Finding the Fourth Proportional to 28,365.13, 39,150.98 and 18,304.93

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Solution

The fourth proportional to 28,365.13, 39,150.98 and 18,304.93 is: 25,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.13 : 39,150.98 = 18,304.93 : x
  2. Step 2: Convert to fraction form
    28,365.13/39,150.98 = 18,304.93/x
  3. Step 3: Cross multiply
    28,365.13x = 39,150.98 × 18,304.93
  4. Step 4: Simplify right side
    28,365.13x = 716,655,948.33
  5. Step 5: Solve for x
    x = 716,655,948.33/28,365.13
  6. Step 6: Final answer
    x = 25,265.39

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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.