Home / 22,979.56-31,710.90-14,921.32

Finding the Fourth Proportional to 22,979.56, 31,710.90 and 14,921.32

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Solution

The fourth proportional to 22,979.56, 31,710.90 and 14,921.32 is: 20,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,979.56 : 31,710.90 = 14,921.32 : x
  2. Step 2: Convert to fraction form
    22,979.56/31,710.90 = 14,921.32/x
  3. Step 3: Cross multiply
    22,979.56x = 31,710.90 × 14,921.32
  4. Step 4: Simplify right side
    22,979.56x = 473,168,486.39
  5. Step 5: Solve for x
    x = 473,168,486.39/22,979.56
  6. Step 6: Final answer
    x = 20,590.84

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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.