Home / 28,075.86-38,752.74-16,601.40

Finding the Fourth Proportional to 28,075.86, 38,752.74 and 16,601.40

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Solution

The fourth proportional to 28,075.86, 38,752.74 and 16,601.40 is: 22,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.86 : 38,752.74 = 16,601.40 : x
  2. Step 2: Convert to fraction form
    28,075.86/38,752.74 = 16,601.40/x
  3. Step 3: Cross multiply
    28,075.86x = 38,752.74 × 16,601.40
  4. Step 4: Simplify right side
    28,075.86x = 643,349,737.84
  5. Step 5: Solve for x
    x = 643,349,737.84/28,075.86
  6. Step 6: Final answer
    x = 22,914.69

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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.