Home / 35,128.32-52,681.98-19,115.22

Finding the Fourth Proportional to 35,128.32, 52,681.98 and 19,115.22

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Solution

The fourth proportional to 35,128.32, 52,681.98 and 19,115.22 is: 28,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.32 : 52,681.98 = 19,115.22 : x
  2. Step 2: Convert to fraction form
    35,128.32/52,681.98 = 19,115.22/x
  3. Step 3: Cross multiply
    35,128.32x = 52,681.98 × 19,115.22
  4. Step 4: Simplify right side
    35,128.32x = 1,007,027,637.74
  5. Step 5: Solve for x
    x = 1,007,027,637.74/35,128.32
  6. Step 6: Final answer
    x = 28,667.12

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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.