Home / 19,487.64-29,032.10-18,547.22

Finding the Fourth Proportional to 19,487.64, 29,032.10 and 18,547.22

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Solution

The fourth proportional to 19,487.64, 29,032.10 and 18,547.22 is: 27,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.64 : 29,032.10 = 18,547.22 : x
  2. Step 2: Convert to fraction form
    19,487.64/29,032.10 = 18,547.22/x
  3. Step 3: Cross multiply
    19,487.64x = 29,032.10 × 18,547.22
  4. Step 4: Simplify right side
    19,487.64x = 538,464,745.76
  5. Step 5: Solve for x
    x = 538,464,745.76/19,487.64
  6. Step 6: Final answer
    x = 27,631.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.