Home / 26,720.15-36,874.40-14,784.34

Finding the Fourth Proportional to 26,720.15, 36,874.40 and 14,784.34

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Solution

The fourth proportional to 26,720.15, 36,874.40 and 14,784.34 is: 20,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.15 : 36,874.40 = 14,784.34 : x
  2. Step 2: Convert to fraction form
    26,720.15/36,874.40 = 14,784.34/x
  3. Step 3: Cross multiply
    26,720.15x = 36,874.40 × 14,784.34
  4. Step 4: Simplify right side
    26,720.15x = 545,163,666.90
  5. Step 5: Solve for x
    x = 545,163,666.90/26,720.15
  6. Step 6: Final answer
    x = 20,402.72

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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.