Home / 28,752.90-43,130.70-9,032.10

Finding the Fourth Proportional to 28,752.90, 43,130.70 and 9,032.10

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Solution

The fourth proportional to 28,752.90, 43,130.70 and 9,032.10 is: 13,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.90 : 43,130.70 = 9,032.10 : x
  2. Step 2: Convert to fraction form
    28,752.90/43,130.70 = 9,032.10/x
  3. Step 3: Cross multiply
    28,752.90x = 43,130.70 × 9,032.10
  4. Step 4: Simplify right side
    28,752.90x = 389,560,795.47
  5. Step 5: Solve for x
    x = 389,560,795.47/28,752.90
  6. Step 6: Final answer
    x = 13,548.57

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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.