Home / 27,555.75-38,026.98-14,980.50

Finding the Fourth Proportional to 27,555.75, 38,026.98 and 14,980.50

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Solution

The fourth proportional to 27,555.75, 38,026.98 and 14,980.50 is: 20,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.75 : 38,026.98 = 14,980.50 : x
  2. Step 2: Convert to fraction form
    27,555.75/38,026.98 = 14,980.50/x
  3. Step 3: Cross multiply
    27,555.75x = 38,026.98 × 14,980.50
  4. Step 4: Simplify right side
    27,555.75x = 569,663,173.89
  5. Step 5: Solve for x
    x = 569,663,173.89/27,555.75
  6. Step 6: Final answer
    x = 20,673.11

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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.