Home / 15,702.80-23,539.56-5,307.28

Finding the Fourth Proportional to 15,702.80, 23,539.56 and 5,307.28

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Solution

The fourth proportional to 15,702.80, 23,539.56 and 5,307.28 is: 7,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702.80 : 23,539.56 = 5,307.28 : x
  2. Step 2: Convert to fraction form
    15,702.80/23,539.56 = 5,307.28/x
  3. Step 3: Cross multiply
    15,702.80x = 23,539.56 × 5,307.28
  4. Step 4: Simplify right side
    15,702.80x = 124,931,036.00
  5. Step 5: Solve for x
    x = 124,931,036.00/15,702.80
  6. Step 6: Final answer
    x = 7,955.97

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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.