Home / 26,156.09-39,136.93-15,631.76

Finding the Fourth Proportional to 26,156.09, 39,136.93 and 15,631.76

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Solution

The fourth proportional to 26,156.09, 39,136.93 and 15,631.76 is: 23,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.09 : 39,136.93 = 15,631.76 : x
  2. Step 2: Convert to fraction form
    26,156.09/39,136.93 = 15,631.76/x
  3. Step 3: Cross multiply
    26,156.09x = 39,136.93 × 15,631.76
  4. Step 4: Simplify right side
    26,156.09x = 611,779,096.90
  5. Step 5: Solve for x
    x = 611,779,096.90/26,156.09
  6. Step 6: Final answer
    x = 23,389.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.