Home / 42,208.86-63,327.74-15,921.12

Finding the Fourth Proportional to 42,208.86, 63,327.74 and 15,921.12

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Solution

The fourth proportional to 42,208.86, 63,327.74 and 15,921.12 is: 23,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,208.86 : 63,327.74 = 15,921.12 : x
  2. Step 2: Convert to fraction form
    42,208.86/63,327.74 = 15,921.12/x
  3. Step 3: Cross multiply
    42,208.86x = 63,327.74 × 15,921.12
  4. Step 4: Simplify right side
    42,208.86x = 1,008,248,547.87
  5. Step 5: Solve for x
    x = 1,008,248,547.87/42,208.86
  6. Step 6: Final answer
    x = 23,887.13

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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.