Home / 26,045.55-35,941.01-15,290.87

Finding the Fourth Proportional to 26,045.55, 35,941.01 and 15,290.87

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Solution

The fourth proportional to 26,045.55, 35,941.01 and 15,290.87 is: 21,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,045.55 : 35,941.01 = 15,290.87 : x
  2. Step 2: Convert to fraction form
    26,045.55/35,941.01 = 15,290.87/x
  3. Step 3: Cross multiply
    26,045.55x = 35,941.01 × 15,290.87
  4. Step 4: Simplify right side
    26,045.55x = 549,569,055.42
  5. Step 5: Solve for x
    x = 549,569,055.42/26,045.55
  6. Step 6: Final answer
    x = 21,100.31

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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.