Home / 21,353.40-32,030.10-16,432.65

Finding the Fourth Proportional to 21,353.40, 32,030.10 and 16,432.65

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Solution

The fourth proportional to 21,353.40, 32,030.10 and 16,432.65 is: 24,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.40 : 32,030.10 = 16,432.65 : x
  2. Step 2: Convert to fraction form
    21,353.40/32,030.10 = 16,432.65/x
  3. Step 3: Cross multiply
    21,353.40x = 32,030.10 × 16,432.65
  4. Step 4: Simplify right side
    21,353.40x = 526,339,422.77
  5. Step 5: Solve for x
    x = 526,339,422.77/21,353.40
  6. Step 6: Final answer
    x = 24,648.98

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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.