Home / 38,427.10-57,642.40-14,417.14

Finding the Fourth Proportional to 38,427.10, 57,642.40 and 14,417.14

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Solution

The fourth proportional to 38,427.10, 57,642.40 and 14,417.14 is: 21,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.10 : 57,642.40 = 14,417.14 : x
  2. Step 2: Convert to fraction form
    38,427.10/57,642.40 = 14,417.14/x
  3. Step 3: Cross multiply
    38,427.10x = 57,642.40 × 14,417.14
  4. Step 4: Simplify right side
    38,427.10x = 831,038,550.74
  5. Step 5: Solve for x
    x = 831,038,550.74/38,427.10
  6. Step 6: Final answer
    x = 21,626.37

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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.