Home / 28,693.85-39,599.89-15,948.23

Finding the Fourth Proportional to 28,693.85, 39,599.89 and 15,948.23

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Solution

The fourth proportional to 28,693.85, 39,599.89 and 15,948.23 is: 22,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.85 : 39,599.89 = 15,948.23 : x
  2. Step 2: Convert to fraction form
    28,693.85/39,599.89 = 15,948.23/x
  3. Step 3: Cross multiply
    28,693.85x = 39,599.89 × 15,948.23
  4. Step 4: Simplify right side
    28,693.85x = 631,547,915.82
  5. Step 5: Solve for x
    x = 631,547,915.82/28,693.85
  6. Step 6: Final answer
    x = 22,009.87

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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.