Home / 26,403.87-36,440.74-15,070.77

Finding the Fourth Proportional to 26,403.87, 36,440.74 and 15,070.77

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Solution

The fourth proportional to 26,403.87, 36,440.74 and 15,070.77 is: 20,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.87 : 36,440.74 = 15,070.77 : x
  2. Step 2: Convert to fraction form
    26,403.87/36,440.74 = 15,070.77/x
  3. Step 3: Cross multiply
    26,403.87x = 36,440.74 × 15,070.77
  4. Step 4: Simplify right side
    26,403.87x = 549,189,996.48
  5. Step 5: Solve for x
    x = 549,189,996.48/26,403.87
  6. Step 6: Final answer
    x = 20,799.60

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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.