Home / 28,526.90-39,364.56-16,424.13

Finding the Fourth Proportional to 28,526.90, 39,364.56 and 16,424.13

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Solution

The fourth proportional to 28,526.90, 39,364.56 and 16,424.13 is: 22,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.90 : 39,364.56 = 16,424.13 : x
  2. Step 2: Convert to fraction form
    28,526.90/39,364.56 = 16,424.13/x
  3. Step 3: Cross multiply
    28,526.90x = 39,364.56 × 16,424.13
  4. Step 4: Simplify right side
    28,526.90x = 646,528,650.83
  5. Step 5: Solve for x
    x = 646,528,650.83/28,526.90
  6. Step 6: Final answer
    x = 22,663.82

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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.