Home / 26,409.59-36,446.29-15,079.20

Finding the Fourth Proportional to 26,409.59, 36,446.29 and 15,079.20

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Solution

The fourth proportional to 26,409.59, 36,446.29 and 15,079.20 is: 20,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.59 : 36,446.29 = 15,079.20 : x
  2. Step 2: Convert to fraction form
    26,409.59/36,446.29 = 15,079.20/x
  3. Step 3: Cross multiply
    26,409.59x = 36,446.29 × 15,079.20
  4. Step 4: Simplify right side
    26,409.59x = 549,580,721.80
  5. Step 5: Solve for x
    x = 549,580,721.80/26,409.59
  6. Step 6: Final answer
    x = 20,809.89

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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.