Home / 26,079.40-35,988.93-15,866.64

Finding the Fourth Proportional to 26,079.40, 35,988.93 and 15,866.64

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Solution

The fourth proportional to 26,079.40, 35,988.93 and 15,866.64 is: 21,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.40 : 35,988.93 = 15,866.64 : x
  2. Step 2: Convert to fraction form
    26,079.40/35,988.93 = 15,866.64/x
  3. Step 3: Cross multiply
    26,079.40x = 35,988.93 × 15,866.64
  4. Step 4: Simplify right side
    26,079.40x = 571,023,396.30
  5. Step 5: Solve for x
    x = 571,023,396.30/26,079.40
  6. Step 6: Final answer
    x = 21,895.57

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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.