Home / 25,265.18-34,869.18-21,008.92

Finding the Fourth Proportional to 25,265.18, 34,869.18 and 21,008.92

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Solution

The fourth proportional to 25,265.18, 34,869.18 and 21,008.92 is: 28,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.18 : 34,869.18 = 21,008.92 : x
  2. Step 2: Convert to fraction form
    25,265.18/34,869.18 = 21,008.92/x
  3. Step 3: Cross multiply
    25,265.18x = 34,869.18 × 21,008.92
  4. Step 4: Simplify right side
    25,265.18x = 732,563,813.09
  5. Step 5: Solve for x
    x = 732,563,813.09/25,265.18
  6. Step 6: Final answer
    x = 28,995.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.