Home / 28,637.80-42,935.91-19,254.52

Finding the Fourth Proportional to 28,637.80, 42,935.91 and 19,254.52

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Solution

The fourth proportional to 28,637.80, 42,935.91 and 19,254.52 is: 28,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.80 : 42,935.91 = 19,254.52 : x
  2. Step 2: Convert to fraction form
    28,637.80/42,935.91 = 19,254.52/x
  3. Step 3: Cross multiply
    28,637.80x = 42,935.91 × 19,254.52
  4. Step 4: Simplify right side
    28,637.80x = 826,710,337.81
  5. Step 5: Solve for x
    x = 826,710,337.81/28,637.80
  6. Step 6: Final answer
    x = 28,867.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.