Home / 22,779.22-31,437.48-14,282.68

Finding the Fourth Proportional to 22,779.22, 31,437.48 and 14,282.68

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Solution

The fourth proportional to 22,779.22, 31,437.48 and 14,282.68 is: 19,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.22 : 31,437.48 = 14,282.68 : x
  2. Step 2: Convert to fraction form
    22,779.22/31,437.48 = 14,282.68/x
  3. Step 3: Cross multiply
    22,779.22x = 31,437.48 × 14,282.68
  4. Step 4: Simplify right side
    22,779.22x = 449,011,466.85
  5. Step 5: Solve for x
    x = 449,011,466.85/22,779.22
  6. Step 6: Final answer
    x = 19,711.45

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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.