Home / 26,409.06-36,445.50-15,080.40

Finding the Fourth Proportional to 26,409.06, 36,445.50 and 15,080.40

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Solution

The fourth proportional to 26,409.06, 36,445.50 and 15,080.40 is: 20,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.06 : 36,445.50 = 15,080.40 : x
  2. Step 2: Convert to fraction form
    26,409.06/36,445.50 = 15,080.40/x
  3. Step 3: Cross multiply
    26,409.06x = 36,445.50 × 15,080.40
  4. Step 4: Simplify right side
    26,409.06x = 549,612,718.20
  5. Step 5: Solve for x
    x = 549,612,718.20/26,409.06
  6. Step 6: Final answer
    x = 20,811.52

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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.