Home / 31,021.60-42,809.04-17,592.88

Finding the Fourth Proportional to 31,021.60, 42,809.04 and 17,592.88

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Solution

The fourth proportional to 31,021.60, 42,809.04 and 17,592.88 is: 24,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.60 : 42,809.04 = 17,592.88 : x
  2. Step 2: Convert to fraction form
    31,021.60/42,809.04 = 17,592.88/x
  3. Step 3: Cross multiply
    31,021.60x = 42,809.04 × 17,592.88
  4. Step 4: Simplify right side
    31,021.60x = 753,134,303.64
  5. Step 5: Solve for x
    x = 753,134,303.64/31,021.60
  6. Step 6: Final answer
    x = 24,277.74

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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.