Home / 28,032.16-42,047.32-11,387.26

Finding the Fourth Proportional to 28,032.16, 42,047.32 and 11,387.26

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Solution

The fourth proportional to 28,032.16, 42,047.32 and 11,387.26 is: 17,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.16 : 42,047.32 = 11,387.26 : x
  2. Step 2: Convert to fraction form
    28,032.16/42,047.32 = 11,387.26/x
  3. Step 3: Cross multiply
    28,032.16x = 42,047.32 × 11,387.26
  4. Step 4: Simplify right side
    28,032.16x = 478,803,765.14
  5. Step 5: Solve for x
    x = 478,803,765.14/28,032.16
  6. Step 6: Final answer
    x = 17,080.52

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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.