Home / 26,915.68-37,139.07-14,977.36

Finding the Fourth Proportional to 26,915.68, 37,139.07 and 14,977.36

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Solution

The fourth proportional to 26,915.68, 37,139.07 and 14,977.36 is: 20,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.68 : 37,139.07 = 14,977.36 : x
  2. Step 2: Convert to fraction form
    26,915.68/37,139.07 = 14,977.36/x
  3. Step 3: Cross multiply
    26,915.68x = 37,139.07 × 14,977.36
  4. Step 4: Simplify right side
    26,915.68x = 556,245,221.46
  5. Step 5: Solve for x
    x = 556,245,221.46/26,915.68
  6. Step 6: Final answer
    x = 20,666.21

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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.