Home / 28,346.07-39,117.76-15,598.90

Finding the Fourth Proportional to 28,346.07, 39,117.76 and 15,598.90

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Solution

The fourth proportional to 28,346.07, 39,117.76 and 15,598.90 is: 21,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.07 : 39,117.76 = 15,598.90 : x
  2. Step 2: Convert to fraction form
    28,346.07/39,117.76 = 15,598.90/x
  3. Step 3: Cross multiply
    28,346.07x = 39,117.76 × 15,598.90
  4. Step 4: Simplify right side
    28,346.07x = 610,193,948.47
  5. Step 5: Solve for x
    x = 610,193,948.47/28,346.07
  6. Step 6: Final answer
    x = 21,526.58

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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.