Home / 21,535.06-32,267.40-20,714.94

Finding the Fourth Proportional to 21,535.06, 32,267.40 and 20,714.94

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Solution

The fourth proportional to 21,535.06, 32,267.40 and 20,714.94 is: 31,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.06 : 32,267.40 = 20,714.94 : x
  2. Step 2: Convert to fraction form
    21,535.06/32,267.40 = 20,714.94/x
  3. Step 3: Cross multiply
    21,535.06x = 32,267.40 × 20,714.94
  4. Step 4: Simplify right side
    21,535.06x = 668,417,254.96
  5. Step 5: Solve for x
    x = 668,417,254.96/21,535.06
  6. Step 6: Final answer
    x = 31,038.56

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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.