Home / 22,782.51-34,157.36-13,999.28

Finding the Fourth Proportional to 22,782.51, 34,157.36 and 13,999.28

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Solution

The fourth proportional to 22,782.51, 34,157.36 and 13,999.28 is: 20,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.51 : 34,157.36 = 13,999.28 : x
  2. Step 2: Convert to fraction form
    22,782.51/34,157.36 = 13,999.28/x
  3. Step 3: Cross multiply
    22,782.51x = 34,157.36 × 13,999.28
  4. Step 4: Simplify right side
    22,782.51x = 478,178,275.91
  5. Step 5: Solve for x
    x = 478,178,275.91/22,782.51
  6. Step 6: Final answer
    x = 20,988.83

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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.