Home / 22,962.48-31,680.12-15,009.32

Finding the Fourth Proportional to 22,962.48, 31,680.12 and 15,009.32

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Solution

The fourth proportional to 22,962.48, 31,680.12 and 15,009.32 is: 20,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.48 : 31,680.12 = 15,009.32 : x
  2. Step 2: Convert to fraction form
    22,962.48/31,680.12 = 15,009.32/x
  3. Step 3: Cross multiply
    22,962.48x = 31,680.12 × 15,009.32
  4. Step 4: Simplify right side
    22,962.48x = 475,497,058.72
  5. Step 5: Solve for x
    x = 475,497,058.72/22,962.48
  6. Step 6: Final answer
    x = 20,707.57

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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.