Home / 22,656.28-31,263.42-13,579.25

Finding the Fourth Proportional to 22,656.28, 31,263.42 and 13,579.25

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Solution

The fourth proportional to 22,656.28, 31,263.42 and 13,579.25 is: 18,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.28 : 31,263.42 = 13,579.25 : x
  2. Step 2: Convert to fraction form
    22,656.28/31,263.42 = 13,579.25/x
  3. Step 3: Cross multiply
    22,656.28x = 31,263.42 × 13,579.25
  4. Step 4: Simplify right side
    22,656.28x = 424,533,614.26
  5. Step 5: Solve for x
    x = 424,533,614.26/22,656.28
  6. Step 6: Final answer
    x = 18,738.01

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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.