Home / 27,038.90-37,315.14-15,102.50

Finding the Fourth Proportional to 27,038.90, 37,315.14 and 15,102.50

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Solution

The fourth proportional to 27,038.90, 37,315.14 and 15,102.50 is: 20,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.90 : 37,315.14 = 15,102.50 : x
  2. Step 2: Convert to fraction form
    27,038.90/37,315.14 = 15,102.50/x
  3. Step 3: Cross multiply
    27,038.90x = 37,315.14 × 15,102.50
  4. Step 4: Simplify right side
    27,038.90x = 563,551,901.85
  5. Step 5: Solve for x
    x = 563,551,901.85/27,038.90
  6. Step 6: Final answer
    x = 20,842.26

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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.