Home / 28,752.57-43,128.45-9,032.31

Finding the Fourth Proportional to 28,752.57, 43,128.45 and 9,032.31

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Solution

The fourth proportional to 28,752.57, 43,128.45 and 9,032.31 is: 13,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.57 : 43,128.45 = 9,032.31 : x
  2. Step 2: Convert to fraction form
    28,752.57/43,128.45 = 9,032.31/x
  3. Step 3: Cross multiply
    28,752.57x = 43,128.45 × 9,032.31
  4. Step 4: Simplify right side
    28,752.57x = 389,549,530.22
  5. Step 5: Solve for x
    x = 389,549,530.22/28,752.57
  6. Step 6: Final answer
    x = 13,548.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.