Home / 25,685.98-35,443.20-14,354.08

Finding the Fourth Proportional to 25,685.98, 35,443.20 and 14,354.08

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Solution

The fourth proportional to 25,685.98, 35,443.20 and 14,354.08 is: 19,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.98 : 35,443.20 = 14,354.08 : x
  2. Step 2: Convert to fraction form
    25,685.98/35,443.20 = 14,354.08/x
  3. Step 3: Cross multiply
    25,685.98x = 35,443.20 × 14,354.08
  4. Step 4: Simplify right side
    25,685.98x = 508,754,528.26
  5. Step 5: Solve for x
    x = 508,754,528.26/25,685.98
  6. Step 6: Final answer
    x = 19,806.70

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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.