Home / 15,638.40-23,325.84-14,549.76

Finding the Fourth Proportional to 15,638.40, 23,325.84 and 14,549.76

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Solution

The fourth proportional to 15,638.40, 23,325.84 and 14,549.76 is: 21,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.40 : 23,325.84 = 14,549.76 : x
  2. Step 2: Convert to fraction form
    15,638.40/23,325.84 = 14,549.76/x
  3. Step 3: Cross multiply
    15,638.40x = 23,325.84 × 14,549.76
  4. Step 4: Simplify right side
    15,638.40x = 339,385,373.80
  5. Step 5: Solve for x
    x = 339,385,373.80/15,638.40
  6. Step 6: Final answer
    x = 21,702.05

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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.