Home / 15,528.64-23,281.98-4,995.40

Finding the Fourth Proportional to 15,528.64, 23,281.98 and 4,995.40

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Solution

The fourth proportional to 15,528.64, 23,281.98 and 4,995.40 is: 7,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.64 : 23,281.98 = 4,995.40 : x
  2. Step 2: Convert to fraction form
    15,528.64/23,281.98 = 4,995.40/x
  3. Step 3: Cross multiply
    15,528.64x = 23,281.98 × 4,995.40
  4. Step 4: Simplify right side
    15,528.64x = 116,302,802.89
  5. Step 5: Solve for x
    x = 116,302,802.89/15,528.64
  6. Step 6: Final answer
    x = 7,489.57

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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.