Home / 42,220.72-63,340.44-15,925.72

Finding the Fourth Proportional to 42,220.72, 63,340.44 and 15,925.72

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Solution

The fourth proportional to 42,220.72, 63,340.44 and 15,925.72 is: 23,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.72 : 63,340.44 = 15,925.72 : x
  2. Step 2: Convert to fraction form
    42,220.72/63,340.44 = 15,925.72/x
  3. Step 3: Cross multiply
    42,220.72x = 63,340.44 × 15,925.72
  4. Step 4: Simplify right side
    42,220.72x = 1,008,742,112.12
  5. Step 5: Solve for x
    x = 1,008,742,112.12/42,220.72
  6. Step 6: Final answer
    x = 23,892.11

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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.