Home / 28,567.46-39,425.37-21,048.14

Finding the Fourth Proportional to 28,567.46, 39,425.37 and 21,048.14

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Solution

The fourth proportional to 28,567.46, 39,425.37 and 21,048.14 is: 29,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.46 : 39,425.37 = 21,048.14 : x
  2. Step 2: Convert to fraction form
    28,567.46/39,425.37 = 21,048.14/x
  3. Step 3: Cross multiply
    28,567.46x = 39,425.37 × 21,048.14
  4. Step 4: Simplify right side
    28,567.46x = 829,830,707.31
  5. Step 5: Solve for x
    x = 829,830,707.31/28,567.46
  6. Step 6: Final answer
    x = 29,048.11

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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.