Home / 28,505.03-39,332.54-15,927.35

Finding the Fourth Proportional to 28,505.03, 39,332.54 and 15,927.35

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Solution

The fourth proportional to 28,505.03, 39,332.54 and 15,927.35 is: 21,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.03 : 39,332.54 = 15,927.35 : x
  2. Step 2: Convert to fraction form
    28,505.03/39,332.54 = 15,927.35/x
  3. Step 3: Cross multiply
    28,505.03x = 39,332.54 × 15,927.35
  4. Step 4: Simplify right side
    28,505.03x = 626,463,051.33
  5. Step 5: Solve for x
    x = 626,463,051.33/28,505.03
  6. Step 6: Final answer
    x = 21,977.28

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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.