Home / 20,773.08-31,159.64-16,457.40

Finding the Fourth Proportional to 20,773.08, 31,159.64 and 16,457.40

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Solution

The fourth proportional to 20,773.08, 31,159.64 and 16,457.40 is: 24,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.08 : 31,159.64 = 16,457.40 : x
  2. Step 2: Convert to fraction form
    20,773.08/31,159.64 = 16,457.40/x
  3. Step 3: Cross multiply
    20,773.08x = 31,159.64 × 16,457.40
  4. Step 4: Simplify right side
    20,773.08x = 512,806,659.34
  5. Step 5: Solve for x
    x = 512,806,659.34/20,773.08
  6. Step 6: Final answer
    x = 24,686.12

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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.