Home / 19,580.40-27,021.02-10,627.90

Finding the Fourth Proportional to 19,580.40, 27,021.02 and 10,627.90

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Solution

The fourth proportional to 19,580.40, 27,021.02 and 10,627.90 is: 14,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.40 : 27,021.02 = 10,627.90 : x
  2. Step 2: Convert to fraction form
    19,580.40/27,021.02 = 10,627.90/x
  3. Step 3: Cross multiply
    19,580.40x = 27,021.02 × 10,627.90
  4. Step 4: Simplify right side
    19,580.40x = 287,176,577.77
  5. Step 5: Solve for x
    x = 287,176,577.77/19,580.40
  6. Step 6: Final answer
    x = 14,666.53

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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.