Home / 28,749.06-43,108.98-13,153.32

Finding the Fourth Proportional to 28,749.06, 43,108.98 and 13,153.32

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Solution

The fourth proportional to 28,749.06, 43,108.98 and 13,153.32 is: 19,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.06 : 43,108.98 = 13,153.32 : x
  2. Step 2: Convert to fraction form
    28,749.06/43,108.98 = 13,153.32/x
  3. Step 3: Cross multiply
    28,749.06x = 43,108.98 × 13,153.32
  4. Step 4: Simplify right side
    28,749.06x = 567,026,208.81
  5. Step 5: Solve for x
    x = 567,026,208.81/28,749.06
  6. Step 6: Final answer
    x = 19,723.30

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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.