Home / 27,038.18-37,311.08-15,102.30

Finding the Fourth Proportional to 27,038.18, 37,311.08 and 15,102.30

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Solution

The fourth proportional to 27,038.18, 37,311.08 and 15,102.30 is: 20,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.18 : 37,311.08 = 15,102.30 : x
  2. Step 2: Convert to fraction form
    27,038.18/37,311.08 = 15,102.30/x
  3. Step 3: Cross multiply
    27,038.18x = 37,311.08 × 15,102.30
  4. Step 4: Simplify right side
    27,038.18x = 563,483,123.48
  5. Step 5: Solve for x
    x = 563,483,123.48/27,038.18
  6. Step 6: Final answer
    x = 20,840.28

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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.