Home / 21,437.47-32,156.21-8,950.70

Finding the Fourth Proportional to 21,437.47, 32,156.21 and 8,950.70

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Solution

The fourth proportional to 21,437.47, 32,156.21 and 8,950.70 is: 13,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.47 : 32,156.21 = 8,950.70 : x
  2. Step 2: Convert to fraction form
    21,437.47/32,156.21 = 8,950.70/x
  3. Step 3: Cross multiply
    21,437.47x = 32,156.21 × 8,950.70
  4. Step 4: Simplify right side
    21,437.47x = 287,820,460.39
  5. Step 5: Solve for x
    x = 287,820,460.39/21,437.47
  6. Step 6: Final answer
    x = 13,426.05

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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.