Home / 26,909.10-40,363.65-21,070.70

Finding the Fourth Proportional to 26,909.10, 40,363.65 and 21,070.70

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Solution

The fourth proportional to 26,909.10, 40,363.65 and 21,070.70 is: 31,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.10 : 40,363.65 = 21,070.70 : x
  2. Step 2: Convert to fraction form
    26,909.10/40,363.65 = 21,070.70/x
  3. Step 3: Cross multiply
    26,909.10x = 40,363.65 × 21,070.70
  4. Step 4: Simplify right side
    26,909.10x = 850,490,360.06
  5. Step 5: Solve for x
    x = 850,490,360.06/26,909.10
  6. Step 6: Final answer
    x = 31,606.05

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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.