Home / 28,225.74-38,953.26-15,650.49

Finding the Fourth Proportional to 28,225.74, 38,953.26 and 15,650.49

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Solution

The fourth proportional to 28,225.74, 38,953.26 and 15,650.49 is: 21,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.74 : 38,953.26 = 15,650.49 : x
  2. Step 2: Convert to fraction form
    28,225.74/38,953.26 = 15,650.49/x
  3. Step 3: Cross multiply
    28,225.74x = 38,953.26 × 15,650.49
  4. Step 4: Simplify right side
    28,225.74x = 609,637,606.10
  5. Step 5: Solve for x
    x = 609,637,606.10/28,225.74
  6. Step 6: Final answer
    x = 21,598.64

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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.