Home / 28,298.19-39,012.48-22,575.07

Finding the Fourth Proportional to 28,298.19, 39,012.48 and 22,575.07

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Solution

The fourth proportional to 28,298.19, 39,012.48 and 22,575.07 is: 31,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.19 : 39,012.48 = 22,575.07 : x
  2. Step 2: Convert to fraction form
    28,298.19/39,012.48 = 22,575.07/x
  3. Step 3: Cross multiply
    28,298.19x = 39,012.48 × 22,575.07
  4. Step 4: Simplify right side
    28,298.19x = 880,709,271.81
  5. Step 5: Solve for x
    x = 880,709,271.81/28,298.19
  6. Step 6: Final answer
    x = 31,122.46

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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.