Home / 21,547.76-32,384.28-17,873.36

Finding the Fourth Proportional to 21,547.76, 32,384.28 and 17,873.36

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Solution

The fourth proportional to 21,547.76, 32,384.28 and 17,873.36 is: 26,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.76 : 32,384.28 = 17,873.36 : x
  2. Step 2: Convert to fraction form
    21,547.76/32,384.28 = 17,873.36/x
  3. Step 3: Cross multiply
    21,547.76x = 32,384.28 × 17,873.36
  4. Step 4: Simplify right side
    21,547.76x = 578,815,894.78
  5. Step 5: Solve for x
    x = 578,815,894.78/21,547.76
  6. Step 6: Final answer
    x = 26,862.00

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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.