Home / 26,915.27-37,139.73-14,977.76

Finding the Fourth Proportional to 26,915.27, 37,139.73 and 14,977.76

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Solution

The fourth proportional to 26,915.27, 37,139.73 and 14,977.76 is: 20,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.27 : 37,139.73 = 14,977.76 : x
  2. Step 2: Convert to fraction form
    26,915.27/37,139.73 = 14,977.76/x
  3. Step 3: Cross multiply
    26,915.27x = 37,139.73 × 14,977.76
  4. Step 4: Simplify right side
    26,915.27x = 556,269,962.40
  5. Step 5: Solve for x
    x = 556,269,962.40/26,915.27
  6. Step 6: Final answer
    x = 20,667.45

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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.